1.
Is hydrochloric acid a strong or weak acid? Does it dissociate into ions?
It is a strong acid that dissociates into its ions
What is the precipitate that is formed?
AgCl
What is the complex ion in the reaction?
Is the solution acidic or basic?
Acidic
Does the complex ion itself dissociate?
No, it always remains together in aqueous solution
2.
What is the precipitate formed?
Lead II iodide
What type of reaction is this?
Metathesis
How would you know the reaction occurred?
A solid would form from the solutions
What are the spectator ions?
and
Were there any soluble ionic compounds formed not present in the reaction?
3.
What type of reaction is this?
Decomposition
What is the role of a catalyst?
Speed up the reaction by lowering the activation energy
What kind of compound is hydrogen peroxide?
Molecular
Are the products polar substances?
What is the formula for peroxide?
4.
What is the spectator ion?
Is this solution acidic or basic?
Basic
Is potassium hydroxide a strong or weak base?
Strong
Are the resulting products aqueous?
Yes, there is a soluble product and water
Does oxidation or reduction occur?
No, the oxidation states remain constant
5.
How would you know this reaction occurred?
The solid disappears
Are the resulting products aqueous?
Yes, they are ions in solution
What kind of compound is dinitrogen pentoxide?
Covalent/molecular
Is the resulting solution acidic or basic?
Acidic
Is the pH of the solution greater or less than 7?
Less than 7
6.
What is the precipitate formed?
What are the spectator ions?
Are the compounds silver nitrate and sodium chromate ionic or covalent?
Ionic
What type of reaction is this?
Metathesis
7.
What type of reaction is this?
Combination
Does oxidation/ reduction occur?
Yes, the oxidation states change
What substance is oxidized?
Bi
What substance is reduced?
What is the the reducing agent?
Bi
8.
Is sulfuric acid a strong or weak acid?
Strong, it dissociates into its ions
What kind of reaction is this?
Replacement reaction
Is the pH greater or less than 7?
Greater than 7
Are silver nitrate and sodium chromate ionic or covalent?
Ionic
Are there any spectator ions?
No, everything is shown in the reaction
9.
What is the precipitate formed?
AgBr
What are the spectator ions?
How would you know if the reaction occurred?
A solid forms from the solutions
What type of reaction is this?
Metathesis
What type of compounds are silver nitrate and lithium bromide?
Ionic compounds
10.
Are there any spectator ions?
Potassium ion
Is potassium sulfate an ionic or covalent compound?
Ionic
Is chlorine a monoatomic or diatomic gas?
Diatomic
Are the products polar substances?
What is the conjugate acid of
HOCl
11. H+ + SO32- H2O + SO2 (or H2SO3)
1. What type of acid is HCL?
Strong acid
2. Is the resulting solution acidic, basic, or neutral?
Acidic
3. Identify the spectator ions in solution?
K+
4. Type of reaction?
Metathesis
12. Sn2+ + H+ + MnO4- Sn4+ + Mn2+ + H2O
1. Is the resulting solution acidic, basic, or neutral?
Neutral
2. Spectator ions?
Cl-, K+
3. What is the Bronsead-Lowry acid?
HKMnO4
4. What is the Bronstead-Lowry base?
H2O
5. What type of acid is used?
Weak acid
13. Fe3+ + SCN- Fe(SCN)2+ (or Fe(SCN)63-)
1. Spectator ions?
NH4+, Cl2. Type of reaction?
Coordination complex
3. What is the ligand in the complex ion?
SCN4. Which ions will remain in solution?
Fe(SCN)+2, NH4+, Cl5. Resulting solution acidic, basic or neutral?
Neutral
14. BCl3 + NH3 Cl3BNH3
1. What is the ligand in the complex ion?
NH3
2. Type of reaction?
Coordination complex
3. Spectator ions?
None
4. What is the common name for Cl3BNH3?
Trichlorotriamineboron
5. What ions remain in solution?
None
15. CS2 + O2 CO2 + SO2 (or SO3)
1. Type of reaction?
Combustion reaction
2. If insufficient oxygen is present what gas will form other than CO2?
SO2
3. Common name of CO2?
Carbon dioxide
4. What would you observe in lab?
Heat release, flame
5. Spectator ions?
None
16.
1.What substance is the Bronstead-Lowry base?
H2O
2. Is the resulting solution acidic, basic, or neutral?
Neutral
3.Spectator ions?
K+
4. What gas will be formed?
I2
5. After the reaction, which ions will remain in solution?
K+, Cr +3
17.
1. Spectator ions?
Na+, Cl2. What substance is the base?
NaOH
3. What substance is the acid?
NH4Cl
4. What type of reaction is this?
Neutralization
5. Is the resulting solution acidic, basic, or neutral?
Neutral
18.
1. Type of reaction?
Redox
2. What precipitate is formed?
Ag
3. Spectator ions?
NO34. What substance is oxidized?
Mg+
5. What substance is reduced?
Ag
19.
1. Type of reaction?
Decomposition
2. What acts as the catalyst?
MnO2
20.
1. Spectator ions?
Cl
2. What type of acid id HCL?
Strong acid
3. Type of reaction?
Neutralization
4. Gas released?
CO2
5. Acidic, basic or neutral products?
neutral
#11. H+ + SO3-2 → H2SO3
1. What substance is reduced? – SO3
2. What substance is oxidized? – H+
3. What type of acid is the product? – Weak
4. What is the purpose of a catalyst? – To propel a reaction forward at a faster
rate.
5. Is the product acidic or basic? – Acidic
#12. Sn+2 + H+ + MnO4- Sn+4 + Mn+2 + H2O
1. What type of substance is MnO4-? – Metal Oxide
2. After the reaction, what ions will remain in solution? – Sn+4, Mn+2
3. How many moles of H+ are needed to make 2 moles of Sn+4? – 16
4. Is Sn+2 oxidized or reduced? – Oxidized
5. How many grams of H+ are needed to make the reaction go as written? – 8.08g
#13. Fe+3 + SCN- → Fe(SCN)3
1. What is being reduced? – Fe+3
2. What is being oxidized? – SCN3. What type of reaction is this? – Combination
4. What is the reducing agent? – SCN5. What is the common name for the product? – Iron(III) thiocynate
#14. BCl3 + NH3 → Cl3BNH3
1. What type of reaction is this? – Combination
2. What type of base is NH3? – Weak
3. What is the common name of BCl3? – Boron trichloride
4. What is the common name of NH3? – Ammonia
5. Is the resulting product acidic or basic? – Acidic
#15. CS2 + 3O2 → CO2 + 2SO2
1. What type of reaction is this? – Combustion
2. If insufficient oxygen is present, what gas will form in addition to CO2? – CO
3. What is the common name of CS2? – Carbon disulfide
4. How many grams of O2 are needed to complete the reaction as written? – 48 g
5. How many grams of CS2 are needed to complete the reaction? 76.15 g
#16. 28H+ + 2I- + 2C2O7-2 → I2 + 4Cr+3 + 14H20
1. What is the name of the Cr2O7-2 ion? – Dichromate
2. How many moles of H+ are necessary to create .5 moles of I2? – 14
3. Is I- oxidized or reduced? – Oxidized
4. Is H+ oxidized or reduced? – Reduced
5. What ions are left in solution? – I2, Cr+3
#17. OH- + NH4+ → NH4OH
1. What type of reaction is this? – Combination
2. What is the common name for OH-? – Hydroxide
3. What is the common name for NH4+? – Ammonium
4. What is being reduced? – NH4+
5. What is being oxidized? – OH-
#18. Mg + Ag+ → Mg+2 + Ag
1. What is being reduced? – Ag+
2. What is being oxidized? – Mg
3. What is the oxidizing agent? Ag+
4. What is the reducing agent? – Mg
5. What is the oxidation number of Ag+? – +2
#19. KClO3 MnO2→ KCl + O2 (MnO2 should be written over arrow)
1. What type of reaction is this? – Decomposition
2. What is the catalyst? – MnO2
3. What is the purpose of a catalyst? – To propel a reaction forward at a faster
rate.
4. What is the common name of KClO3? – Potassium Chlorate
5. What is the common name of KCl? – Potassium Chloride
#20. 2H+ + CO3-2 → H2CO3
1. What type of reaction is this? – Combination
2. What is H+’s oxidation number? – +1
3. What is CO3-2’s oxidation number – -2
4. What is oxidized? – H+
5. What is reduced? – CO3-2
31) Li2O + H2O => 2Li+ + 2OHA. Is the resulting solution basic?
-Yes, [OH] increases.
B. What is the oxidation number of Li?
- (+1)
C. Does the oxidation number of H change?
-No, it is +1 in water and in LiOH
D. Why must the Li2O be added to an excess of water?
- The excess water drives reaction to the right (Le Chatelier’s Principle).
E. Why is LiOH considered a strong base?
- It completely dissociates in water.
32) CuS + 4HNO3 => 3Cu2+ + 3SO2 + 4NO + 2H2O
A. Is S oxidized or reduced?
- It is oxidized.
B. What is the initial oxidation number of S?
- (-2)
C. What is the common name of SO2?
- Sulfur Dioxide
D. What is the initial oxidation number of N?
- (+5)
E. What is the common name of NO?
- Nitrogen Monoxide
33) AgCl + NH3 => [Ag(NH3)2]+ + ClA. Name [Ag(NH3)2]+
-Diamminesilver (I) ion
B. Does the entropy increase, decrease, or stay the same?
-It increases.
C. Identify the coordination complex
-[Ag(NH3)2]+
D. What is the ligand in the complex ion?
-NH3
E. What type of reaction would this be considered?
-A single replacement reaction.
34) C3H6 + H2O => C3H7OH
A. Does propene contain single, double, or triple bonds?
- It has single bonds and one double bond.
B. Name the product
- Propanol
C. Draw a possible sketch of the product
-
D. What is the purpose of a catalyst?
- The catalyst increases the rate of reaction.
E. Is the product soluble in water?
-Yes, it contains a OH- group.
35) 2H+ + SO42- + Ba2+ + 2C2H3O2- => BaSO4 + 2CH3COOH
A. What is the precipitate?
- BaSO4
B. Name CH3COOH
- Acetic Acid
C. Does the entropy increase, decrease, or stay the same?
-Entropy decreases.
D. What kind of acid is CH3COOH?
-It is a weak acid. It does not completely dissociate in water.
E. Name the precipitate.
-Barium Sulfate
36) NH4Cl + OH- => NH3 + H2O + ClA. What was the spectator ion?
- Na+
B. Does the entropy of the reaction increase, decrease, or stay the same?
-It increases.
C. What is the common name of NH3?
-Ammonia
D. What type of compound is NH4Cl?
-It is an ionic compound.
E. What kind of base is NaOH? Why?
-It is a strong base because it completely dissociates in water.
37) PCl5 + 4H2O => H3PO4 + 5H+ + 5ClA. Is the resulting solution acidic, basic or neutral?
-It is acidic.
B. Why is HCl a strong acid?
-It completely dissociates in water.
C. Does the entropy increase, decrease, or stay the same?
-The entropy increases
D. Name the products
-Phosphoric acid and hydrochloric acid (before dissociation)
E. Why is the solid added to excess water?
- To drive the reaction to the right (Le Chatelier’s Principle)
38) 2H2O2 => 2H2O + O2
A. What is the purpose of a catalyst?
-Increases the rate of the reaction.
B. What kind of reaction is this?
- A decomposition reaction
C. Does the entropy increase, decrease, or stay the same?
-It increases
D. One mole of H2O2 decomposes into how many moles of O2?
- One- half moles O2
E. Twenty grams of H2O2 produces how many moles of H2O?
- (.59) mole H2O
39) Fe + Fe3+ => Fe2+
A. What was the spectator ion?
- SO42B. What substance is oxidized?
-Fe (loses electrons)
C. What substance is reduced?
- Fe3+ (gains electrons)
D. Why was the iron powdered?
- Led to increased surface area which increases reaction rate.
E. What kind of reaction is this?
-A redox reaction.
40) Cl2 + 2Br- => 2Cl- + Br2
A. What is the change in the oxidation number of Cl?
- Cl changes from 0 to -1.
B. What is the change in oxidation number of Br?
- Br changes from -1 to 0.
C. What substance is oxidized?
- Br is oxidized (loss of electrons).
D. What substance is reduced?
-Cl is reduced (gain of electrons).
E. What was the spectator ion?
-Na+
41.a. Which of the two products is the precipitate?
Answer: Calcium Phosphate
b. What ions are eliminated in the net ionic equation?
Answer: Soduim and Chlorine
c. Classify this reaction
Answer: Metathesis or Double Replacement
d. If 50g Sodium Phosphate is added to 50g Calcium Chloride, which will remain after the
reaction proceeds to completion?
Answer: Sodium Phosphate
e. Replacing Cl- with what ion would make the Sodium compound in the products insoluble?
Answer: None, all compounds with the Sodium ions are water soluble.
Net Ionic: PO4 -3 + Ca +2 -> Ca3(PO4)2
42.a. Why isn't the catalyst shown in the reaction?
Answer: It is present in both the reactants and products.
b. What's the difference between benzene and cyclohexane?
Answer: Cyclohexane is a six carbon ring with all single bonds and 2 hydrogens attached to each
carbon atom. Benzene has 1 hydrogen per carbon and dissociated double bonds in the carbon
ring.
c. Classify the produced acid.
Answer: It is a strong acid
d. What type of organic reaction is this?
Answer: Substitution reaction
e. Why are the double bonds in benzene shown as a ring in a diagram?
Answer: To show delocalization
Br2 + C6H6 -> HBr + C6H5Br
43.a. Does the Calcium ion change charge due to the change in its accompanying ion?
Answer: No, Oxide and Carbonate have the same -2 charge
b. Can any reactants be eliminated for a net ionic equation?
Answer: No, all of the reactants go into making the solid product
c. Classify this reaction
Answer: Combination reaction
d. What is carbon's oxidation number?
Answer: +4
e. Why is the carbon dioxide molecule linear and rigid?
Answer: It contains two double bonds why involve the p orbital and add rigidity.
CaO + CO2 -> CaCO3
44.a. Why is the resulting solution acidic?
Answer: Nitrous acid is formed and will lower pH
b. How can it be determined that the reaction took place?
Answer: Monitor the pH and check for a drop
c. Is this acid considered an Arrhenius acid? Why?
Answer: Yes, it is an acid in an aqueous solution
d. How many moles of Nitrous acid are produced per mole of Dinitrogen Trioxide used?
Answer: two
e. What type of reaction is this?
Answer: Combination
N2O3 + H20 -> HNO2
45.a. The resulting anion is a conjugate ____ of what?
Answer: Conjugate base of Carbonic Acid
b. Will the solution be acidic or basic? Why?
Answer: Basic, the HCO3- enters equilibrium with OH- and H2CO3
c. Which is definitely increased? Gibbs Free Energy, Entropy, or Internal Energy? Why?
Answer: Entropy, the solid sodium hydrogen carbonate becomes aqueous, increasing it.
d. What atom is the Sodium ion attracted to? Why?
Answer: The oxygen in water due to its negative pole pulling on the positively charged sodium.
e. What is the name for this process?
Answer: Dissociation, or Ionization
NaHCO3 + H2O -> Na+ + HCO3-
46.a. Would the reaction occur if pellets of copper were used instead?
Answer: No, copper is not as active as hydrogen
b. Classify this reaction
Answer: A single replacement reaction
c. What substance is oxidized?
Answer: Lead
d. What other metal could be used that would produce a reaction without a precipitate
Answer: Many possible answers: Zinc, Magnesium, and Tin are examples
e. Classify the acid in the reactants as strong or weak
Answer: strong
Pb + H2 + SO4 -2 -> PbSO4 + H2
47.a. Does the manganese ion change oxidation state? From what to what?
Answer: From +7 to +2
b. What will happen to the solution due to the change in oxidation state?
Answer: A color change will occur
c. What gas is evolved from the solution?
Answer: Carbon dioxide
d. Which molecules are the oxidation and reduction agents?
Answer: Oxidation: Potassium Permanganate Reduction: Oxalic Acid
e. How could you tell if the reaction occurred?
Answer: Look for the color change
MnO4 - + H2C2O4 + H+ -> Mn +2 + H2O + CO2
48.a. Would the reaction occur if the metals were switched? Why?
Answer: No, because Iron is less active than magnesium
b. Which elements are oxidized and reduced?
Answer: Magnesium is oxidized and iron is reduced
c. What acts as the spectator ion in the reaction?
Answer: Chloride
d. Is the resulting compound water soluble?
Answer: Yes
e. How would you know that this reaction occurred?
Answer: The color will change from yellow to a clear color
Mg + Fe +3 -> Mg +2 + Fe +2
49.a. What is the functional group of the acetates?
Answer: Carboxylic Acids
b. Name the two products
Answer: Sodium Acetate and ethyl alcohol
c. Classify this reaction
Answer: Metathesis
d. What ion is a spectator ion?
Answer: Sodium
e. What is the common name for one of the products?
Answer: Ethanol
CH3COOC2H5 + OH- -> C2H5OH + CH3COO-
50.a. What is the spectator ion?
Answer: Sodium
b. What kind of reaction is this?
Answer: Combination
c. What in the reaction is a lewis base?
Answer: The hydroxide ion
d. What is meant by a suspension of Zn(OH)2?
Answer: It is a heterogeneous fluid of it containing solid particles that are sufficiently large for
sedimentation
e. What type of electrolyte is NaOH?
Answer: A strong electrolyte, also a strong base
Zn(OH)2 + OH- -> Zn(OH)3
51. S2- (g) + Ni2(aq)+ → NiS(s)
1. What reactant is the Bronsted-Lowry acid? (Answer: H2S)
2. What is the Conjugate Base? (2HNO3)
3. What type of reaction is this? (Methathesis)
4. How would one confirm that this reaction has occurred? (formation of a precipitate, NiS)
5. What is the Bronsted-Lowry Base? (Ni(NO3)2)
52. OH-(aq) +Al(OH)3 (s) → Al(OH)4- (aq)
1. How would one confirm that this reaction has occurred? (if the precipitate, Al(OH)3,
dissolves)
2. What are the Spectator Ions in the reaction? (Na+)
3. What type of reaction is this? (Coordination compound)
4. Would the resulting solution be acidic, basic, or neutral? (basic)
5. What is the ligand in the complex ion product? (OH)
53. 2OH(aq)- + H2+ (aq) → 2H2O (l)
1. What are the Spectator Ions in the reaction? (K+, PO43-)
2. What is the Bronsted Lowry base in the reaction? (OH)
3. What is the conjugate base? (H2O)
4. What type of reaction is this? (Metathesis)
5. What is the conjugate acid? (K3PO4)
54. 6H2O2(aq) + 2Fe3+(aq) → 2Fe(OH)3(aq) + 6H+(aq) +3O2(g)
1. What are the Spectator Ions in the reaction? (SO4)
2. What type of reaction is this? (combination)
3. How would one confirm that this reaction has occurred? (loss of mass due to the
evaporation of a gas)
4. What is the Bronsted Lowry Acid? (Hydrogen Peroxide)
5. What is the Bronsted Lowry Base? (Iron (III)Sulfate)
How would one confirm that this reaction has occurred?
55. 2C3H7OH(l) + 9O2(g)→ 6CO2(g) +8H2O(l)
1.
What are the spectator Ions in the reaction? (there are none)
2. What type of reaction is this? (combustion)
3. If there isn’t enough oxygen present, what gas will form besides CO2? (CO)
4. How would one confirm that this reaction has occurred? (combustion of a liquid reactant)
5. What functional group does Propanol belong to? (alcohol)
56. 6Li(s) + N2(g) → 2Li3N (s)
1. What are the Spectator Ions in the reaction? (there are none)
2. What type of reaction is this? (combination)
3. What is being reduced? (Nitrogen ion)
4. What is the oxidizing agent? (Nitrogen ion)
5. What is the change of Lithium’s oxidation number? (from 0 to +1)
57. H+ (aq) +SO32-(aq) → H2O(l) + SO2(aq)
1. What are the Spectator Ions in the reaction? (K+, Cl-)
2. What type of reaction is this? (metathesis)
3. What is the bronsted-Lowry Acid? (HCl)
4. What is the conjugate acid? (KCl)
5. What is the conjugate base? (water)
58. Na2O(s)+ H2O(l) → 2NaOH (aq)
1. What type of reaction is this? (combination)
2. How would one confirm that this reaction has occurred? (the solid reactant dissolving in
water)
3. Would the resulting solution be acidic, basic, or neutral? (basic)
4. Why would the solution have that pH content? (It is has an alkali cation with a hydroxide
anion, making it a strong base)
5. What would be the precipitate if the reaction proceeded in a reverse direction? (Na2O)
59. S2-(aq) +Zn2+ (aq) → ZnS(s)
1.
What are the Spectator Ions? (Na+, NO3-)
2.
What type of reaction is this? (Metathesis)
3.
How would one confirm that this reaction has occurred? (a precipitate should form)
4.
What is the precipitate? (ZnS)
5. If 4 moles of ZnS are produced, how many moles of the other product will be produced? (8
moles NaNO3)
60. NH3(aq) + H+ (aq) → NH4+(aq)
1. What are the Spectator Ions? (C2H3O2)
2. What type of reaction is this? (Single Displacement)
3. What is the common name for acetic acid? (vinegar)
4. If 3 moles of Ammonium are produced, how much acetate should be produced from the
reaction? (3 moles)
5. What is the conjugate acid? (NH4)
61)SCN-(aq) + Fe3+(aq) => FeSCN2+(aq)
1. What is the oxidizing agent? Fe+3
2. What is the reducing agent? SCN3. What type of acid is HSCN? weak
4. Which substance is reduced? Fe+3
5. Which substance is oxidized? SCN-
62)C2H4(g) + Br2(g) => C2H4Br2(g)
1. What is the charge on the carbon atom in C2H4? -2
2. What type of reaction is this? combination
3. What is the largest bond found in C2H4? double
4. What type of acid is HBr? strong
5. Is C2H4 soluable in water? slightly
63)Cl2(g) + 2I-(aq) =>2Cl-(aq) + I2(aq)
1. What are the spectator ions in solution? Potassium
2. What is reduced? Cl2
3. What is oxidized? I4. What is the reducing agent? I5. What is the oxidizing agent? Cl2
64)Na(s) + 2H2O =>Na+(aq) + 2OH-(aq) + H2(g)
1. Is this reaction endothermic or exothermic? Strongly exothermic
2. Is the resulting product acidic, basic, or neutral? neutral
3. In the lab, you would observe…? A vigorous explosion of sorts (depending on how much
elemental sodium is used.)
4. What metals react this way? Group I metals
5. How would you know that the reaction occured? An explosion occurs
65)H+(aq) + HCO3-(aq) => H2O(l) + CO2(g)
1. What is the oxidation number on carbon in CO2? +4
2. What is the oxidation number on carbón in HCO3-? +6
3.What are the spectator ions in solution? Li, SO4-2
4. What is the oxidizing agent? HCO35. What is the reducing agent? H+
66)C2H5OH + HCOOH(aq) => HCOOC2H5 + H2O(l)
1. What type of acid is HCOOH? weak
2. At 25C, what state is HCOOH in? liquid
3. What type of reaction is this? combination
4. What is the charge on carbon in H2CO2? +2
5. What is the charge on carbon in C2H5OH? -4
67)OH-(aq) + Zn(OH)2(s) => H2O(l) + ZnO22-(aq)
1. What type of reaction is this? combination
2. What is the charge on Zn in the reactant? +2
3. What is the charge on Zn in the products? +2
4. What is reduced? Zn(OH)2
5. What is oxidized? OH-
68)BF3(g) + NH3(g) => F3B:NH3
1. What type of base is NH3? weak
2. What type of acid is HBr? strong
3. What type of reaction is this? Lewis Acid/Base interaction
4. What is the Lewis acid? BF3
5. What is the Lewis base? NH3
69)Sn2+(aq) + Fe3+(aq) => Sn4+(aq) + Fe2+(aq)
1. What is reduced? Fe+3
2. What is oxidized? Sn+2
3. What is the reducing agent? Sn+2
4. What is the oxidizing agent? Fe+3
5. What type of reaction is this? combination
70)POCl3 (aq)+ 2H2O(l) => H3PO4(aq) + H+(aq) + 3Cl-(aq)
1. What type of reaction is this? Single replacement
2. What is the charge on P in the reactants? +5
3. What is the charge on P in the products? +5
4. Is this reaction endothermic or exothermic? exothermic
5. Does this reaction react vigorously? No
71. 6H+(aq) + 2MnO4-(aq) + 5SO3-
-2(aq) + H2O(l)
1. What type of reaction is this? – Oxidation/Reduction
2. What substance is oxidized? – Na2SO3
3. What substance is reduced? – KMNO4
4. What is the oxidation number of Mn+2? +2
5. Determine the number of electrons involved in this reaction. - 10
1. What substance is oxidized? Fe2O3
2. What substance is reduced? H2
3. Identify the oxidizing agent. – H2
4. Identify the reducing agent. – Fe2O3
5. What is the oxidation number of H2(g) and Fe(s)? - 0
73. I-(aq) + IO31. Classify the reaction. – Oxidation/Reduction
2. What is the oxidation number of I2? - 0
3. What is the oxidizing agent? – KIO3
4. Is the resulting solution acidic, basic, or neutral? – neutral
5. What is the reducing agent? - KI
74. Ca+2(aq) + SO41. Classify the reaction. – Metathesis (Double Replacement)
2. Is HF a strong or weak acid? – weak
3. What is the precipitate? – CaSO4
4. Identify the spectator ions in the solution. – H+ and F5. How would you know that this reaction occurred? – CaSO4 is formed as a white, insoluble
precipitate
1. What type of reaction is this? – Decomposition
2. If 1 molecule of (NH4)CO3 undergoes a decomposition reaction how many
molecules
of NH3 are produced? – 2
3. Is NH3 a strong or weak base? Weak
4. What is the ligand in the complex ion? NH4
5. Is this reaction endothermic or exothermic? - endothermic
1. What is the catalyst in this reaction? – light
2. What type of reaction is this? – organic substitution
3. Is CH3Cl a polar or nonpolar molecule? – polar
4. What is the state of CH3Cl? – gas
5. What is the common name for chloromethane, CH3Cl? Methyl chloride
-(aq)
1. What type of reaction is this? – Complex ion
2. What is the ligand in the complex ion? – NH3
3. Identify the Lewis acid. – Zn
4. Identify the Lewis base. – NH3
5. Explain why the resulting solution is basic. – OH- ions are produced
1. What type of reaction is this? – Oxidation/Reduction
2. Is NaBr a covalent or ionic substance? – ionic
3. What is the oxidation number of Na? - +1
4. Is the resulting solution acidic, basic, or neutral? – neutral
5. What substance is the oxidizing agent? – H2O2
79. 2Hg2(aq) + 2Cl1. What type of reaction is this? – Metathesis (Double Replacement)
2. What is the precipitate? – Hg2Cl2
3. Identify the spectator ions in this reaction. – H+ and NO-3
4. How would you know this reaction occurred? – Hg2Cl2 is produced as a white precipitate.
5. Is HNO3 a strong or weak acid? – strong
1. What type of reaction is this? – combination
2. What is the state of the product of this reaction? – solid
3. What observations would you make in lab if you performed this reaction? – a greenish yellow
powder is produced
4. Is this reaction endothermic or exothermic? – exothermic
5. How many moles of Mg3N2 are produced if 2.386 g Mg reacts with N2 gas? 0.0327 mol
a. What type of reaction is this? Synthesis
b. Does a precipitate form? Yes
c. If a precipitate forms, what is the precipitate? Calcium sulfite
d. What is the state of sulfur dioxide? Gas
e. What is the state of calcium oxide? Solid
a. Does a precipitate form? Yes
b. If a precipitate forms, what is the precipitate? Lead nitrate
c. What are the products? Silver and lead nitrate
d. What type of reaction is this? Redox
e. What is the charge of lead? 2
83. NH4+(aq) + SO42- (aq) + Ba2(aq) + OH-
a. What is the state of barium hydroxide? Aqueous
b. What type of reaction is this? Double replacement
c. What is the charge of the sulfate ion? -2
d. After the reaction, what ions will remain in solution? NH4+, SO42-, OHe. What is the charge of the hydroxide ion? -1
84. CH3COOH(aq) + HCO3-
- (aq) + H2O(aq) + CO2(g)
a. What is a common household name for sodium hydrogen carbonate? Baking
soda
b. What is a common household name for acetic acid? Vinegar
c. What is the charge of hydrogen carbonate? -1
d. What is another name for hydrogen carbonate? Bicarbonate
e. What is the acid in the reaction? Acetic acid
85. Na2Cr2O7 (s) + H+ (aq) + I-
-(aq)
a. What is the charge of dichromate? -2
b. How many ions remain in solution? 5
c. What type of reaction is this? Redox
d. What is oxidized? Iodide
e. What is reduced? Chromate
86. SCN-(aq) + Fe3+(aq) => FeSCN2+(aq)
a. What is the state of potassium thiocyanate? Aqueous
b. What is the state of iron (III) chloride? Aqueous
c. What is the charge of iron (III)? +3
d. Does a precipitate form? No
e. What is the charge of the cyanate ion? -1
87. C2H5OH + O2(g) => CO2(g) + H2O(g)
a. What type of reaction is this? Combustion
b. What are always the products of this type of reaction? CO2 and H2O
c. What must be present for this reaction to occur? O2
d. Are there any spectator ions in this reaction? No
e. Is there a precipitate in this reaction? No
88. F-(aq) + H+(aq) => HF(aq)
a. What is the acid in this reaction? HCl
b. What is type of acid if HCl? Strong
c. Is there a precipitate in this reaction? No
d. What are the spectator ion? Na, Cl
e. What is the charge of H? +1
89. Ba2+(aq) + OH-(aq) + Fe3+(aq) + SO42-(aq) => BaSO4(s) + Fe(OH)3(s)
a. What type of classification is barium hydroxide? Metal oxide
b. Is there a precipitate in this reaction? Yes
c. What are the precipitates? Iron hydroxide and barium sulfate
d. What is the charge of barium? +2
e. What is the charge of hydroxide? -1
90. NH4+(aq) + OH-(aq) => NH3(aq) + H2O
a. What type of reaction is this? Acid-base
b. What is base in this reaction? KOH
c. What are the spectator ions? Sulfate and potassium
d. What is the weak acid? Ammonium
e. What is KOH a strong base? Yes