Chapter 5 Chemistry Review. Use to review the concepts and check your
answers using the key provided. STUDY!
Page 31
What is the pH range for each of these solutions?
(a) acidic _______________________________
(b) basic ________________________________
2. How many times has the acidity level increased if the pH drops from pH 4 to pH 3?
___________
3. How many times has the acidity level increased if the pH drops from pH 6 to pH 2?
___________
4. What is the pH of a solution that is neutral? _________________
Page 32
Use the acid-base indicator chart on page 3 of your Data Pages to answer the following
questions.
1. What is the colour of each of these acid-base indicators in the following solutions?
(a) methyl orange in stomach acids ___________________
(b) methyl orange in tomato juice ____________________
(c) bromothymol blue in banana juice _________________
(d) blue litmus in pure water _________________________
(e) red litmus in pure water __________________________
(f) phenolphthalein in ammonia solution (NH3) _________
Page 33
1. Name the following non-oxygen acids.
(a) HCl(aq)
___________________________________________________________
(b) HBr(aq)
____________________________________________________________
(c) HF(aq)
____________________________________________________________
2. Name the following common acids.
(a) H2SO4
____________________________________________________________
(b) HNO3
____________________________________________________________
(c) CH3COOH(aq)
____________________________________________________________
3. Name the following acids containing oxygen and chlorine.
(a) HClO4(aq)
____________________________________________________________
(b) HClO3(aq)
____________________________________________________________
(c) HClO2(aq)
____________________________________________________________
(d) HClO(aq)
___________________________________________________________
Page 34
1. Identify each by their formula as acids, bases, or neither when dissolved in water.
(a) HI _______________________
(b) KOH _____________________
(c) NaCl ____________________
(d) Ca(OH)2 __________________
(e) MgBr2 ___________________
(f) H3PO4 ___________________
2. Which ion is in high concentration in an acidic solution?
________________________________
3. Which ion is in high concentration in a basic solution?
__________________________________
4. The concentrations of H+ and OH− cannot both be high at the same time. Why not?
____________________________________________________________
____________________________________________________________
Page 381. Identify each of the following as an acid, a base, a salt, a metal oxide, or a nonmetal oxide.
(a) Ba(OH)2
____________________________________
(b) H2SO4
_____________________________________
(c) NaCl ______________________________________
(d) K2O _______________________________________
(e) SO2 _______________________________________
2. Which kinds of oxides react with water to form acid precipitation?
_________________________
3. Complete and balance the following neutralization reactions.
(a) ____ HF + ____ KOH → ______________________________________
(b) ____ H2SO4 + ____ NaOH →___________________________________
(c) ____ HNO3 + ____ Mg(OH)2 → __________________________________
Page 39
1. Complete and balance the following reactions between an acid and a metal.
(a) ____ HF + ____ Zn → ____________________
(b) ____ H2SO3 + ____ Mg → ____________________
(c) ____ HCl + ____ Al → _____________________
2. Why is calcium carbonate sometimes added to lake water?
____________________________________________________________
Page 42
1.What element must be present for a compound to be considered organic?
_________________
2. What are three examples of compounds containing carbon that are inorganic?
____________________________________________________________
____________________________________________________________
____________________________________________________________
Page 43
1. The shortened structural formula for pentane, a chemical in gasoline, is
CH3CH2CH2CH2CH3
.
(a) What is pentane’s molecular formula?
____________________________________________
(b) Draw pentane’s structural formula below.