11. Excess hydrochloric acid solution is added to a solution of potassium sulfite.
2H+ + SO3 2– → H 2O + SO2
a.) What kind of reaction is this? Answer: Double displacement
b.) Which substance is the acid? Answer: The HCl
c.) What type of acid is this? Answer: It is a strong acid
d.) What is one of the the spectator ions? Answer: Potassium, K
e.) What is the other spectator ion? Answer: chloride, Cl–
12. A solution of tin (II) chloride is added to an acidified solution of potassium permanganate.
Sn2+(aq) + H+(aq) + MnO4-(aq) => Sn4+(aq) + Mn2+(aq) + H2O
a.) What type of reaction is this? Answer: Redox reaction
b.) What is the change of oxidation number on MnO4? Answer: Mn7+ to Mn2+
c.) What are the spectator ions? Answer: potassium (K) and Cld.) Which undergoes oxidation? Answer: tin ion
e.) Which undergoes reduction? Answer: MnO4
13. A solution of ammonium thiocyanate is added to a solution of iron (III) chloride.
Fe3+ + SCN- Fe(SCN)2+
a.) What type of reaction? Answer: Complex Ions reaction
b.) What color is the Fe? Answer: Yellow
c.) What color is the SCN? Answer: Colorless
d.) What color is the mixture? Answer: Blood red
e) Formation of this compound is used for what? Answer: Used to test for peroxides in ethers.
14. Samples of boron trichloride gas and ammonia gas are mixed.
BCl3 + NH3 -> Cl3BNH3
a.) What type of reaction? Answer: Lewis acid/base
b.) Is this a reversible process? Answer: Yes
c.)What is the acid? Answer: BCl3
d.) What is the base? Answer: NH3
e.) What is the ligand? Answer: NH3
15. Carbon disulfide vapor is burned in excess oxygen.
CS2
+ 3O2 → CO2 + 2SO2
a.)What type of reaction? Answer: redox
b.) What is the oxidizing agent in this reaction? Answer: Oxygen
c.) What is the reducing agent? Answer: The S (sulfide)
d.) What is the volume of sulfur dioxide (SO2 gas) formed when 2.00 moles of carbon disulfide (CS2) are burned?
Answer: 89.6 Liters.
e.) what substance is oxidized? Answer: S-
16. A solution of potassium iodide is added to an acidified solution of potassium dichromate.
6I–+ 14H+ + Cr 2O7- 2–→ 3I+ 2Cr3+ + 7H2O
a.) What type of reaction is this? Answer: Redox
b.) What substance is reduced? Answer: dichromate
c.) What substance is oxidized? Answer: I–
d.) Which is the reducing agent? Answer: Ie.) Name one spectator ion? Answer: Potassium
17. A solution of sodium hydroxide is added to a solution of ammonium chloride.
OH- + NH4+ H2O + NH3
a.)What type of reaction? Answer: Acid/base
b.)Which is the acid? Answer: Ammonium chloride
c.)Which is the base? Answer: Sodium hydroxide
d.)What type of base? Answer: Strong base
e.) Name one spectator ion. Answer: Cl-
18. A strip of magnesium is added to a solution of silver nitrate.
Mg(s) + Ag+(aq) => Mg2+(aq) + Ag(s)
a.) Name a spectator ion? Answer: nitrate
b.) Which substance is oxidized in the reaction? Answer: Magnesium
c.) Which substance is reduces? Answer: Silver
d.) Oxidizing agent is? Answer: Silver
e.) Reducing agent? Answer: Magnesium
19. Solid potassium chlorate is heated in the presence of manganese dioxide as a catalyst.
2KClO3 → 2KCl + 3O2 (above arrow is MnO2)
a.) How many moles of reaction products can be produced from one mole of potassium chlorate?
Answer: 21⁄2 moles.
b.) What is the purpose of a catalyst? Answer: Speed up the reaction. It lowers the activation energy
c.) What type of reaction is this? Answer: Decomposition
d.) Which can be used as an oxidizing agent? Answer: KClO3
e.) Common or other name for manganese dioxide? Answer: Pyrolusite
20. Dilute hydrochloric acid is added to a solution of potassium carbonate.
H+(aq) + CO32-(aq) => CO2(g) + H2O (or H2CO3(aq) or HCO3-(aq))
a.) What type of reaction is this? Answer: Double replacement
b.) which is the acid? Answer: HCl
c.) What type of acid? Answer: Strong
d.) What is a spectator ion? A spectator ion is an ion that exists as a reactant and a product in a chemical equation
e.) Name one spectator ion in above reaction. Answer: K
21. SO3(g) + H2O





Is the resulting solution acidic, basic, or neutral? Acidic
What is the Bronsted-Lowry acid? H2O
What would be the conjugate base of the acid? OHWhat type of reaction is this? Hydrolysis
Would this reaction be exothermic or endothermic? Why? Exothermic because it is the formation of the
strong acid H2SO4.
22. SO42- (aq) + Ba2+(aq)













Ca2+(aq) + 2OH-(aq) + H2(g)
How might this reaction change if the solid calcium was added to cold water? It would proceed at a
slower rate because the heat makes it easier to break the bonds of the element.
What group on the periodic table is calcium located? The Alkaline Metals
Is the resulting solution acidic, basic, or neutral? Basic
What observations would you make in lab if this reaction was performed? H2 gas would be expelled.
What is the base component in the products of this reaction? OH-
25. MgO(s) + CO2(g)

Cu(NH3)42+
Is NH3 a polar molecule? Yes
What type of reaction is this? Combination
Which of the elements involved in this reaction is most electronegative? Nitrogen
Name the resulting ion. Copper Tetramine
What is the oxidation number of Copper (II)? +2
24. Ca(s) + 2H2O

BaSO4(s)
What is the precipitate? BaSO4
Would BaSO4 be soluble in HCl? Explain. No, because it is the salt of the strong acid H2SO4 and HCl is
not strong enough to break that.
How would you reduce Barium Sulfate to Barium Sulfide? By Carbon
What is the oxidation number of SO22-? -2
Is the resulting solution acidic, basic, or neutral? Neutral
23. Cu2+ + 4NH3





H+(aq)+ HSO4-
MgCO3(s)
What would happen to the reaction if the volume of the container was increased? Why? The reaction
would proceed slower because CO2 is gaseous and if the volume of the container was increased, the
pressure would lessen, slowing the reaction rate.
What type of reaction is this? Combination
Name the precipitate in this reaction. Magnesium Carbonate
Does MgO have a covalent or ionic bond? Ionic
What group on the Periodic Table does Mg belong to? Alkaline Earth Metals
26. 2H+ + MnS





What symbolizes the addition of heat in a reaction?
What are the spectator ions in the reaction? Cl- and O22+
What is the catalyst in this reaction? Heat
Does H2S have a covalent or ionic bond? Covalent
Identify a Lewis acid in this reaction. H+
27. SiH4(g) + 2O2(g)







PbS(s) + 2H+(aq)
Is the resulting solution acidic, basic, or neutral? Acidic
What type of reaction is this? Metathesis
If a drop of the final reaction mixture is placed on litmus paper, what color will it turn? Red/pink
because hydrogen ions are liberated in the reaction.
Is the solid that is formed soluble in water? No
What is the color of the precipitate? Gray
30. Zn(s) + Cu2+(aq)





H2PO4-(aq)
What is/are the spectator ions in this reaction? Cl- and Na+
What type of acid is H2PO4-? Weak
Name the resulting ion. Dihydrogen phosphate
H2PO4- is the conjugate base of what acid? (Name of the acid) Phosphoric Acid
What type of reaction is this? Combination
29. H2S(s) + Pb2+(aq)



SiO2(s) + 2H2O
Name the resulting solid compound. Silicon dioxide
What type of reaction is this? Combustion
What other product is formed in all combustion reactions? CO2
Is the
H positive or negative for this reaction? Positive
What type of molecule is O2? Diatomic
28. H+(aq) + HPO42-(aq)





H2S + Mn2+
Zn2+(aq) + Cu(s)
What precipitate is formed? Cu(s)
Which substance is being reduced? Cu2+(s)
Which substance is the oxidizing agent? Cu2+(s)
What type of reaction is this? Redox Reaction
Write the two half reactions for this reaction.
Zn(s) → Zn2+(aq) + 2e- & Cu2+(aq) + 2e-→ Cu (s)
31. Solid lithium oxide is added to excess water.
2Li+ (aq) + OH-(aq)
Li2O(s)+H2O
a.
b.
c.
d.
e.
Is the final solution acidic, basic, or neutral? Basic. Soluble metal oxides react in water to form bases.
What observations would you make in lab if you performed this reaction? There is heat absorbed.
What type of reaction is this? Endothermic reaction
What substance is the base? OHWhat group on the periodic table is lithium located? Alkaline earth metals
32. Copper (II) sulfide is oxidized by dilute nitric acid.
CuS(s) +2H+ (aq) +NO3-(aq)
a.
b.
c.
d.
e.
Cu2+ (aq) +SO2+NO+H2O
What substance is oxidized? Copper
Does NO have a covalent or ionic bond? Covalent
Is SO2 polar or nonpolar? SO2 is polar.
What is the appearance of nitric acid? It is a colorless liquid
What is nitric acid’s solubility in water? It is completely miscible.
33. Silver chloride is dissolved in excess ammonia solution.
AgCl(s) +2NH3 (aq)
a.
b.
c.
d.
e.
Ag (NH3)2+ (aq) +Cl-(aq)
Which substance is the base? Ammonia
What substance is oxidized? Ammonia
Name the resulting complex ion. Diamminosilver (I) ion
Is NH3 soluble in water? Why? Yes. Because like dissolves like.
What is silver chloride’s level of solubility? Very low solubility in water.
34. Propene reacts with water in the presence of a catalyst.
C3H6+H2O
a.
b.
c.
d.
e.
C3H7OH
What is the purpose of a catalyst? A catalyst increases the rate of reaction.
What is the resulting product? A base
Name the product. Propanol
How many bonds does Propene have? It has one double bond
What class does Propene belong in? The alkene class of hydrocarbons
35. Dilute sulfuric acid is added to a solution of barium acetate.
H+ (aq) +HSO42-(aq) +Ba2+ (aq) +2CH3COO2-(aq)
BaSO4(s) +2CH3COOH (aq)
a. Is BaSO4 soluble in water? No, it is insoluble.
b. Name CH3COOH. Acetic acid
c. Does CH3COOH contain a covalent or ionic bond? Why? Covalent, because there are no metallic
elements present in this compound.
d. Is sulfuric acid soluble in water? Yes, at all concentrations.
e. Where does the heat released in dilution come from? From hydration of the hydrogen ions.
36. Ammonium chloride crystals are added to a solution of sodium hydroxide.
NH3Cl(s) +OH-(aq)
a.
b.
c.
d.
e.
NH3 (aq) +H2O+Cl-(aq)
What substance is the base? Sodium hydroxide
What substance is the acid? Ammonium chloride
Is ammonium chloride soluble in water? Yes.
What is another name for ammonium chloride? Sal ammoniac
What type of bond does ammonium chloride have? It has both a covalent and ionic bond.
37. Solid phosphorous pentachloride is added to excess water.
H3PO4 (aq) + H+ (aq) +5Cl-(aq)
PCl5(s) +4H2O
a.
b.
c.
d.
e.
Name the product, H3PO4. Phosphoric acid
What is the physical structure of PCl5? Colorless and tetragonal in shape.
What type of reaction is this? Decomposition; exothermic
Does phosphoric acid contain a covalent or ionic bond? Covalent
Does phosphorous pentachloride contain a covalent or ionic bond? Covalent
38. A solution of hydrogen peroxide is catalytically decomposed.
2H2O2
2H2O+O2
a.
b.
c.
d.
e.
What type of reaction is this? Decomposition reaction
What kind of acid is hydrogen peroxide? A weak acid
What is another name for H2O2? Dioxidane
What is the appearance of hydrogen peroxide? Very light blue color; colorless in solution.
What is the solubility of hydrogen peroxide? It is miscible in water and soluble in ether.
39. Powdered iron is added to a solution of iron (III) sulfate.
Fe(s) +Fe3+ (aq)
a.
b.
c.
d.
e.
2Fe2+ (aq)
Is iron (III) sulfate soluble? It is slightly soluble in water
Name a related compound of iron (III) sulfate. Iron (II) sulfate
What is another name for iron (III) sulfate? Ferric sulfate
What is the oxidation number of Fe? 0
Is iron oxidized or reduced? It is both oxidized and reduced.
40. Chlorine gas is bubbled into a solution of sodium bromide.
2NaBr (aq)+Cl2 (g)
a.
b.
c.
d.
e.
2NaCl (aq)+Br2 (l)
What is the appearance of sodium bromide? It is a white powder
What is the appearance of chlorine gas? It is yellow-green in color.
Is sodium bromide ionic or covalent? Ionic
What group does bromide belong to on the periodic table? Halogen
What observations would you make in lab if you performed this reaction? The colorless solution will
turn brownish due to the formation of the bromine.
41. 2NaPO3(aq) + CaCl2(aq) → 2NaCl(aq) + Ca(PO3)2(s)
f. What type of reaction is this? This is a double replacement reaction.
What is the precipitate? Ca(PO3)2
g.
h. How would you know the reaction occurred? A precipitate formed.
i. What is the common name for Ca(PO3)2? Calcium Metaphosphate.
j.
After the reaction has completed, what ions will remain in solution? Na+ and Cl42. C6H6 + Br2 → C6H5Br + HBr
k. What type of reaction is this? This is a double replacement reaction.
l. What type of acid is HBr? HBr is a strong acid.
What is the purpose of the catalyst? The catalyst speeds up the reaction between C6H6 and Br2
m.
n. Is the resulting solution acidic, basic, or neutral? It is acidic due to the presence of strong acid HBr.
o. What is the common name of C6H5Br? Bromobenzene.
43. CaO(s) + CO2(g) → CaCO3(s)
p. What type of reaction is this? This is a synthesis reaction.
q. What is the common name for CaCO3? Calcium carbonate.
r. What is the precipitate? Calcium carbonate.
s. How do you know the reaction has occurred?
44. N2O3(aq) + H2O(l) → 2HNO2(aq)
t. What type of reaction is this? This is a hydrolysis reaction.
u. What type of acid is HNO2? Weak.
v. What is the common name for HNO2? Nitrous acid.
w. Is the resulting solution acidic, basic, or neutral? The resulting solution is slighty acidic
x. Why is the resulting solution acidic? It is due to the presence of the weak acid, HNO2, product.
45. NaHCO3 + H2O → Na+ + OH- + H2CO3
y. What type of reaction is this? This is a hydrolysis reaction.
z. What is the common name for sodium hydrogen carbonate? Sodium bicarbonate.
aa. What type of acid is H2CO3? Weak.
bb. What is the common name for H2CO3? Carbonic acid.
cc. What type of base is NaOH? Strong.
46. Pb(s) + H2SO4(aq) → H2(g) + PbSO4(s)
dd. What type of reaction is this? This is a single replacement reaction.
ee. What is the precipitate? PbSO4.
ff. What type of acid is H2SO4? Strong.
gg. What substance is oxidized? Pb.
hh. What substance is reduced? H.
47. MnO4-(aq) + H2C2O4 + H2SO4 → Mn2+(aq) + 2H2O(l) + CO2(aq)
ii. What type of acid is H2SO4? Strong.
jj. What type of acid is oxalic acid? Weak.
kk.
What is the spectator ion? K+
ll. What substance is oxidized? C.
mm. What substance is reduced? Mn.
48. 3Mg + 2FeCl3 → 2Fe + 3MgCl2
nn. What substance is oxidized? Magnesium
oo. What substance is reduced? Iron (III)
pp. What substance is the oxidizing agent? Iron (III)
qq. What substance is the reducing agent? Magnesium
rr. What is the change in oxidation number that occurs? Magnesium’s charge changes from 0 to 2+ while
Iron’s changes from 3+ to 0. This is allowed since Mg is multiplied by a factor of 3, while Fe is
multiplied by a factor of 2.
49. CH3COOC2H5 + OH-(aq) → C2H5OH(aq) + CH3COO-(aq)
ss. What type of reaction is this? Single replacement.
tt. What is the common name for C2H5OH? Ethanol.
uu. What type of base is ethanol? Weak.
vv. What is the common name of CH3COO-? Acetate.
ww.
Is the resulting solution acidic, basic, or neutral? The resulting solution is slightly basic, due to
the presence of the ethanol.
50. Zn(OH)2 + OH-(aq) → ZnO2-(aq) + H2O(l)
xx. What is the spectator ion? Na.
yy. What type of base is Zn(OH)2? Weak.
zz. What is the common name for ZnO? Zinc oxide.
aaa. What is the precipitate? ZnO.
bbb.
How do you know the reaction has occurred? A precipitate formed.
51. H2S (g) + Ni+2(aq)  NiS (s) + 2H+(aq)
1. What is the precipitate?
a. NiS
2. What is the common name of NiS?
a. Nickel Sulfide
3. Why is the remaining solution acidic?
a. The H+ ions produced cause a decrease in the pH
4. What type of reaction is this?
a. Replacement
5. How would you know the reaction took place?
a. A precipitate of NiS will form in the solution
52. Al(OH)3(s)  Al+3(aq) + 3OH-(aq)
1. What is the common name of NaAl(OH)4?
a. Sodium tetrahydroxyaluminate
2. Why is the remaining solution basic?
a. The OH- ions produced cause an increase in the pH
3. How do you know the reaction occurred?
a. The solid aluminum hydroxide will dissolve
4. What ions will remain in solution?
a. Al+3, OH-, and Na+ will be in solution afterwards
5. What type of reaction is this?
a. It is a complex ion formation
53. OH-(aq) + 2(H2PO4)-(aq)  H2O(l) + HPO4-2
1. What ions will be present in the solution?
a. H+, OH-, PO-4, and K+
2. What is the spectator ion in the solution?
a. K+
3. Why will this stabilize a pH?
a. These things act as a buffer preventing changes in pH
4. What is the conjugate base?
a. HPO4-2
5. What is the acid?
a. H2PO454. 3H2O2(l) + 4Fe+3(aq) +  2Fe2O3(s) + 6H+(s)
1. Spectator ions?
a. SO4-2
2. Ions remaining afterwards?
a. H+ and SO4-2
3. What is the name of Fe2O3
a. Iron (III) Oxide
4. What is the precipitate?
a. Fe2O3
5. How do you know when the reaction is occurring?
a. A precipitate will form in the solution
55. 2C3H7OH(l) + 9O2(g)  6CO2(g) + 8H2O(g)
1. What type of reaction is this?
a. Combustion
2. What observations can be made?
a. Heat will be produced and gas will be released
3. How do you know the reaction occurred?
a. A flame will be present and heat will be given off from it
4. What gas may be produced if sufficient oxygen is missing?
a. CO is the alternative gas
5. What is the soot composed of during incomplete combustion?
a. It is pure carbon, C4
56. 6Li(s) + N2(g)  2Li3N(s)
1. What kind of reaction is this?
a. Combination
2. What is the common name for Li3N?
a. Lithium Nitride
3. What can be observed?
a. The lithium metal will begin to turn purple/red
4. How do you know the reaction occurred?
a. The lithium metal will change color completely
5. What is the Lewis base? Li
57. 2H+(aq) + SO3-2(aq)  H2SO3(aq)
1. Is this reaction reversible?
a. Yes, because the acid will try to get to equilibrium, it is reversible
2. What is the conjugate base for H2SO3?
a. SO3-2
3. Why will the solution become more basic immediately?
a. Because the concentration of H+ will be higher, it will be converted to H2SO3, lowering the pH
4. What is the acid?
a. H2SO3
5. What is the common name for H2SO3?
a. Sulfurous Acid
58. Na2O(s) + H2O(l)  2Na+(aq) + 2OH-(aq)
1. What type of reaction is this?
a. Decomposition
2. Why is the solution basic?
a. The OH’s produced will increase the pH of the solution
3. What ions will remain in solution?
a. Na+ and OH4. How do you know the reaction occurred?
a. The solid will completely dissolve into solution
5. Why does the solution become cool?
a. Energy will be used to break bonds, so it will decrease temperatuer
59. S-2(aq) + Zn+2(aq)  ZnS(s)
1. What type of reaction is this?
a. Substitution
2. What is the precipitate?
a. ZnS
3. What is the common name for ZnS
a. Zinc Sulfide
4. What ions will remain in solution?
a. Na+ and NO35. Would this occur if the metals were switched?
a. No, Na is lower on the activity series so it wouldn’t displace Zn
60. NH3(g) + H+(aq)  NH4+(aq)
1. What ions will remain?
a. NH4+ and C2H3O22. How do you know the reaction occurred?
a. The gas will disappear into the solution
3. Why will the solution become more basic immediately?
a. Because the concentration of H+ will be higher, it will be converted to H2SO3, raising the pH
4. What is the base?
a. NH3
5. What type of reaction is this? Combination
61.) SCN-(aq) + Fe+3(aq)  FeSCN+2(aq)
1. What substance is oxidized?
-SCN
2. What substance is reduced?
-Fe
3. What substance is the oxidizing agent?
-Fe
4. What substance is the reducing agent?
-SCN
5. What type of reaction is this?
-It would be a double replacement reaction ( metathetical )
62.) C2H4(g) + Br2(aq)  C2H4Br2(aq)
1. How would you know that this reaction would occur?
-This reaction would occur because the double bond within the ethane gas makes the compound very
reactive which would give two electrons for the Br’s to attach to.
2. What is the name for C2H4Br2?
- 1,2 dibromoethane
3. What type of reaction is this?
-This is addition reaction of an alkene. (Organic)
4. Is the resulting solution acidic, basic or neutral?
-neutral
5. What substance is reduced?
- Br, gained electrons from the double bond.
63.) Cl2(g) + I(aq)  2Cl- + I2(aq)
1. Spectator ion  {K}
2. What substance is reduced?
- Cl
3. What substance is the reducing agent?
-I
4. What is the change in oxidation number of Cl?
- 0-1 so -1
5. What substance is oxidized?
-I
64.) 2Na(s) +H2O(l)  2NaOH(aq) +H2(g)
1. Is the resulting solution acidic, basic or neutral?
-basic (NaOH)
2. Which substance is oxidized?
-sodium
3.Which substance is reduced?
-Hydrogen
4. How do you know this reaction occurs?
-When metals from the first two columns of the periodic table interact with water, they form strong
bases.
5. What is the oxidation number of Na in NaOH?
- It’s +1.
65.) H2 (aq) +2HCO3(aq)  2H2O(l) + 2CO2(g)
1.Which substance is oxidized?
-hydrogen
2. What is the oxidation number of C in LiHCO3?
- +4
3. What substance is reduced?
- oxygen
4. What type of reaction is this?
-double replacement
5. What type of acid is H2SO4?
-strong
66.) C2H5OH(aq) + CHOOH(aq)  HCOOCH2CH3 (aq) + H2O(l)
1.What type of reaction is this?
-organic between an alcohol and a carboxylic acid to make an ester through a condensation reaction.
2. What is the name for HCOOCH2CH3?
- ethyl methanoate
3. How would you know this reaction would occur?
-When an alcohol and a carboxylic acid react they form an ester.
4. Is the resulting solution acidic, basic or neutral?
-neutral
5. What is the oxidation number of C in CHOOH?
- +2
67.) OH(l) +Zn(OH)2(s)  Zn(OH)4(aq)-2
1.Which substance is oxidized?
- hydrogen
2.Which substance is reduced?
-oxygen
3. What type of base is KOH?
-strong base
4. Identify the spectator ions in the solution?
-K
5. What is the change in oxidation number of Hydrogen?
- +2
68.) BF3(g) + NH3(g)  F3B:NH3
1.What substance is the lewis base?
-NH3
2.Which substance is the Lewis acid?
-BF3
3. What type of reaction is this?
-Lewis acid and base reaction.
4. How would you know this reaction would occur?
-It would occur because the lewis structure of NH3 suggest that it has two unshared electrons and the lewis
structure of BF3 has an incomplete octet. So the B is more stable with an octect and the NH3 has electrons which make
it reactive.
5. What type of acid is NH3?
-weak acid.
69.) Sn+2(aq) + Fe+3  Sn+4(aq) + Fe+2(aq)
1.Which substance is reduced?
-Fe
2. Which substance is oxidized?
-Sn
3. Which substance is the oxidizing agent?
-Fe
4. Which substance is the reducing agent?
-Sn
5. Identify the spectator ions of this solution.
- Cl2
SO4
70.) POCl3(aq) + 3H2O (l)  H3PO4(s)+3H+ + 3Cl1.What is the oxidation number of Cl in POCl3?
- -3
2. Which substance is oxidized?
- Cl
3. Which substance is reduced?
- Hydrogen
4. Is the resulting solution basic, acidic, or neutral?
- It is acidic
5. What is the precipitate?
-H3PO4
70. Identify the acid in this equation. (H3PO4)
Is the resulting solution acidic, basic or neutral? (acidic)
Is the acid formed in this solution a strong acid? (no,HPO4 is a weak acid)
Name one spectator ion in this equation. (chlorine is one)
Are there any precipitates formed? (no.)
71. What is the charge on the sulfite ion (2-)?
What is another name for MNo4? (manganous ion)
What type of reaction is this? (redox reaction)
What is being oxidized in this reaction? (Manganese)
What is seen in it’s free state? (manganese)
72. What is the common name for iron (III) oxide? (ferric oxide)
What type of reaction is this? ( combination reaction)
Is the resulting solution more acidic or more basic? (more basic)
What base is formed? (hydroxide)
Are there any precipitates in this solution? (no.)
73. What type of reaction is this? (redox reaction)
What element ends up in it’s free state? (I2)
What is the oxidation number of the I in potassium Iodate? (+5)
What element is oxidized in this reaction? (iodine)
What would you see if you were doing this reaction in a laboratory setting? ( a purple gas from
iodine vapour)
74. Name the acid in this reaction? (Sulfuric acid and hydrogen flouride)
Are there any strong acids in this equation? (sulfuric acid)
Are there any weak acids in this equation (HF)
Are there any bases in this equation. (no.)
What type of reaction is this? (combination)
75. What type of reaction is this? (Decomposition reaction)
Identify the reactant. (Ammonium Carbonate)
Identify the products. (Ammonia, water and carbon dioxide)
What is the charge on ammonia? (+1)
By what other name can carbon dioxide be called? (it can also be called a nonmental oxide)
76. Are there any precipitates in this reaction? (no.)
What is the coefficient on chlorine? (2)
What products are formed from this reaction? (dichloromethane and hydrogen chloride)
Is the resulting solution more acidic or basic? (more acidic)
Are there any acids in this equation? (HCL)
77. What is the base in this equation? (ZnOH)
Are there any precipitates in this reaction? (No.)
Are there any strong acids in this equation (no.)
What type of reaction is this? (metathesis?)
What is the color of zinc hydroxide? (silver)
78. Sodium Bromide would be known as an acid or a salt? (a salt)
Are there any precipitates in this reaction? (no.)
What observations would you see from this reaction in lab? (the formation of water.)
Is hydrogen peroxide a strong acid? (no.)
What type of reaction is this? (metathesis)
79. Name the acid in this equation. (HCL)
What is the charge on mercury (+2)
What is mercury (I) nitrate’s common name? (mercurous nitrate)
What type of reaction is this? (Oxidation)
Why would this reaction not work if the reactants were reversed? (mercury is less reactive on the activity series
than hydrogen)
80. What type of reaction is this? (oxidation /displacement reaction)
Why wouldn’t this reaction occur if the metals were switched? (Magnesium is more reactive than Nitrogen)
What substance is oxidized? (Nitrogen)
What substance is reduced? (Magnesium)
What substance is the oxidizing agent (Magnesium)