Chapter 14 Quest

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____1.Acids taste

a. / sweet. / c. / bitter.
b. / sour. / d. / salty.

____2.Acids generally release H2 gas when they react with

a. / nonmetals. / c. / active metals.
b. / semimetals. / d. / inactive metals.

____3.Acids react with

a. / bases to produce salts and water. / c. / water to produce bases and salts.
b. / salts to produce bases and water. / d. / neither bases, salts, nor water.

____4.Bases taste

a. / soapy. / c. / sweet.
b. / sour. / d. / bitter.

____5.Bases feel

a. / rough. / c. / slippery.
b. / moist. / d. / dry.

____6.Bases make litmus paper turn

a. / blue. / c. / yellow.
b. / red. / d. / black.

____7.Bases react with

a. / acids to produce salts and water. / c. / water to produce acids and salts.
b. / salts to produce acids and water. / d. / neither acids, salts, nor water.

____8.Aqueous solutions of bases

a. / always have Faraday properties. / c. / have very high boiling points.
b. / conduct electricity. / d. / cannot be prepared.

____9.A binary acid contains

a. / two hydrogen atoms. / c. / hydrogen and two other elements.
b. / hydrogen and one other element. / d. / hydrogen and three other elements.

____10.Which of the following is a binary acid?

a. / H2SO4 / c. / HBr
b. / CH3COOH / d. / NaOH

____11.The name of a binary acid

a. / has no prefix. / c. / ends with the suffix -ous.
b. / begins with the prefix bi-. / d. / begins with the prefix hydro-.

____12.Which of the following is NOT an oxyacid?

a. / H2O2 / c. / HClO4
b. / H2SO4 / d. / HClO2

____13.Which of the following is perchloric acid?

a. / HClO / c. / HClO3
b. / HClO2 / d. / HClO4

____14.Which of the following is chlorous acid?

a. / HClO / c. / HClO3
b. / HClO2 / d. / HClO4

____15.Which of the following is chloric acid?

a. / HClO / c. / HClO3
b. / HClO2 / d. / HClO4

____16.An acid having the suffix -ic produces an anion having the

a. / suffix-ate. / c. / prefixhydro-.
b. / suffix-ite. / d. / suffix-ous.

____17.What acid is manufactured in largest quantity?

a. / hydrochloric acid / c. / nitric acid
b. / phosphoric acid / d. / sulfuric acid

____18.Which acid is used in batteries?

a. / hydrochloric acid / c. / nitric acid
b. / phosphoric acid / d. / sulfuric acid

____19.What acid is used to make fertilizers and detergents and is a flavoring agent in beverages?

a. / hydrochloric acid / c. / nitric acid
b. / phosphoric acid / d. / sulfuric acid

____20.What acid is used mainly in the manufacture of explosives, rubber, plastics, dyes, and drugs?

a. / hydrochloric acid / c. / nitric acid
b. / phosphoric acid / d. / sulfuric acid

____21.What acid is produced in the stomach?

a. / hydrochloric acid / c. / nitric acid
b. / phosphoric acid / d. / sulfuric acid

____22.What acid is used to pickle metals, process food, and activate oil wells?

a. / hydrochloric acid / c. / nitric acid
b. / phosphoric acid / d. / sulfuric acid

____23.What acid is found in vinegar?

a. / acetic acid / c. / phosphoric acid
b. / nitric acid / d. / hydrochloric acid

____24.What is the basic assumption in the Arrhenius theory?

a. / Because acids and bases conduct electric current, they must not produce ions in solution.
b. / Because acids and bases conduct electric current, they must produce ions in solution.
c. / Only acids conduct electric current in solution.
d. / Only bases conduct electric current in solution.

____25.What is an Arrhenius acid?

a. / a chemical compound that increases the concentration of hydrogen ions in aqueous solution
b. / a chemical compound that increases the concentration of hydroxide ions in aqueous solution
c. / a chemical compound that decreases the concentration of hydrogen ions in aqueous solution
d. / a chemical compound that decreases the concentration of hydroxide ions in aqueous solution

____26.What is an Arrhenius base?

a. / a chemical compound that increases the concentration of hydrogen ions in aqueous solution
b. / a chemical compound that increases the concentration of hydroxide ions in aqueous solution
c. / a chemical compound that decreases the concentration of hydrogen ions in aqueous solution
d. / a chemical compound that decreases the concentration of hydroxide ions in aqueous solution

____27.Which statement about Arrhenius acids is FALSE?

a. / Their water solutions are called aqueous acids.
b. / They are molecular compounds with ionizable hydrogen atoms.
c. / Their pure aqueous solutions are electrolytes.
d. / They increase the concentration of hydroxide ions in aqueous solution.

____28.A substance that ionizes nearly completely in aqueous solutions and produces H3O+ is a

a. / weak base. / c. / weak acid.
b. / strong base. / d. / strong acid.

____29.Which of the following is a triprotic acid?

a. / H2SO4 / c. / HCl
b. / CH3COOH / d. / H3PO4

____30.The dilute aqueous solution of a weak base contains

a. / hydronium ions. / c. / acid molecules.
b. / anions. / d. / all of the above

____31.Strong bases are

a. / strong electrolytes. / c. / nonelectrolytes.
b. / weak electrolytes. / d. / also strong acids.

____32.Hydroxides of Group 1 metals

a. / are all strong bases. / c. / are all acids.
b. / are all weak bases. / d. / might be either strong or weak bases.

____33.In water, hydroxides of Group 2 metals

a. / are all strong bases. / c. / are all acids.
b. / are all weak bases. / d. / might be either strong or weak bases.

____34.Which of the following is a strong base?

a. / NH3 / c. / NaOH
b. / aniline / d. / acetate ion

____35.Which of the following is a weak base?

a. / KOH / c. / NH3
b. / Ca(OH)2 / d. / HCl

____36.Which of the following is a weak base?

a. / acetate ion / c. / hydronium ion
b. / hydroxide ion / d. / hydrogen ion

____37.Whose definition of acids and bases emphasizes the role of protons?

a. / Brønsted and Lowry / c. / Arrhenius
b. / Lewis / d. / Faraday

____38.A Brønsted-Lowry acid is

a. / an electron-pair acceptor. / c. / a proton acceptor.
b. / an electron-pair donor. / d. / a proton donor.

____39.In the equation HCl(g) + H2O(l)  H3O+(aq) + Cl–(aq), which species is a Brønsted-Lowry acid?

a. / HCl / c. / Cl–
b. / H2O / d. / none of the above

____40.A Brønsted-Lowry base is a(n)

a. / producer of OH– ions. / c. / electron-pair donor.
b. / proton acceptor. / d. / electron-pair acceptor.

____41.In the reaction NH3 + H2O NH4+ + OH–, H2O is a

a. / Brønsted-Lowry acid. / c. / Brønsted-Lowry base.
b. / Lewis base. / d. / traditional acid.

____42.The reaction HCl(aq) + NH3(aq)  NH4+(aq) + Cl–(aq) is a

a. / traditional acid-base reaction. / c. / single-replacement reaction.
b. / Brønsted-Lowry acid-base reaction. / d. / precipitation reaction.

____43.A Lewis acid is

a. / an electron-pair acceptor. / c. / a proton acceptor.
b. / an electron-pair donor. / d. / a proton donor.

____44.A Lewis base is a(n)

a. / producer of OH– ions. / c. / electron-pair donor.
b. / proton acceptor. / d. / electron-pair acceptor.

____45.An electron-pair donor is a

a. / traditional base. / c. / Brønsted-Lowry base.
b. / Brønsted-Lowry acid. / d. / Lewis base.

____46.Whenever ammonia forms a covalent bond, it acts as a

a. / Brønsted-Lowry base. / c. / Lewis base.
b. / Lewis acid. / d. / traditional acid.

____47.Which is a Lewis acid but is not a Brønsted-Lowry acid?

a. / HCl / c. / BF3
b. / NH3 / d. / none of the above

____48.The reaction Ag+(aq) + 2NH3(aq)  [Ag(NH3)2]+(aq) is a

a. / traditional acid-base reaction. / c. / Brønsted-Lowry acid-base reaction.
b. / Lewis acid-base reaction. / d. / None of the above

____49.A conjugate base is the species that

a. / remains after a base has given up a proton.
b. / is formed by the addition of a proton to a base.
c. / is formed by the addition of a proton to an acid.
d. / remains after an acid has given up a proton.

____50.A species that remains when an acid has lost a proton is a

a. / conjugate base. / c. / strong base.
b. / conjugate acid. / d. / strong acid.

____51.A species that is formed when a base gains a proton is a

a. / conjugate base. / c. / strong base.
b. / conjugate acid. / d. / strong acid.

____52.The members of a conjugate acid-base pair

a. / appear on the same side of the chemical equation.
b. / appear on opposite sides of the chemical equation.
c. / might appear on the same side or on opposite sides of the equation.
d. / are not included in the chemical equation.

____53.In a conjugate acid-base pair, the acid typically has

a. / one more proton than the base. / c. / two fewer protons than the base.
b. / one fewer proton than the base. / d. / the same number of protons as the base.

____54.What theory of acids and bases do conjugate acids and bases belong to?

a. / traditional / c. / Brønsted-Lowry
b. / Lewis / d. / none of the above

____55.In the reaction HF + H2O H3O+ + F–, a conjugate acid-base pair is

a. / HF and H2O. / c. / H3O+ and H2O.
b. / F– and H3O+. / d. / HF and H3O+.

____56.In the reaction HClO3 + NH3 NH4+ + ClO3–, the conjugate acid of NH3 is

a. / HClO3. / c. / NH4+.
b. / ClO3–. / d. / not shown.

____57.In the reaction HClO3 + NH3 NH4+ + ClO3–, the conjugate base of HClO3 is

a. / ClO3–. / c. / NH4+.
b. / NH3. / d. / not shown.

____58.In the reaction CH3COOH + H2O H3O+ + CH3COO–, the conjugate acid of CH3COO– is

a. / H2O. / c. / H3O+.
b. / CH3COOH. / d. / not shown.

____59.In the reaction CH3COOH + H2O H3O+ + CH3COO–, the conjugate base of H3O+ is

a. / H2O. / c. / CH3COO–.
b. / CH3COOH. / d. / not shown.

____60.The conjugate of a strong base is a

a. / strong acid. / c. / strong base.
b. / weak acid. / d. / weak base.

____61.The conjugate of a weak base is a

a. / strong acid. / c. / strong base.
b. / weak acid. / d. / weak base.

____62.The conjugate of a weak acid is a

a. / strong acid. / c. / strong base.
b. / weak acid. / d. / weak base.

____63.A base is weak if its tendency to

a. / attract a proton is great. / c. / donate a proton is great.
b. / attract a proton is slight. / d. / donate a proton is slight.

____64.In the equation HI + H2O  H3O+ + I–, HI is a strong acid and I– is a

a. / strong acid. / c. / weak acid.
b. / strong base. / d. / weak base.

____65.In the equation CH3COOH + H2O H3O+ + CH3COO–, H2O is a weak base and H3O+ is a

a. / strong acid. / c. / weak acid.
b. / strong base. / d. / weak base.

____66.In the equation HClO4 + NH3 NH4+ + ClO4–, ClO4– is a weak base and HClO4 is a

a. / strong acid. / c. / weak acid.
b. / strong base. / d. / weak base.

____67.An amphoteric species is one that reacts as a(n)

a. / acid only. / c. / acid or base.
b. / base only. / d. / None of the above

____68.A species that can react as either an acid or a base is a(n)

a. / Lewis acid. / c. / oxyacid.
b. / amphoteric substance. / d. / organic substance.

____69.Which of the following is amphoteric?

a. / H2SO4 / c. / H+
b. / SO42– / d. / HSO4–

____70.Which of the following is amphoteric?

a. / H2O / c. / H+
b. / H3O+ / d. / O2–

____71.In the reaction H2SO4 + H2O  H3O+ + HSO4–, the ion HSO4– acts as a(n)

a. / acid. / c. / spectator species.
b. / base. / d. / salt.

____72.In the reaction HSO4– + H2O H3O+ + SO42–, the ion HSO4– acts as a(n)

a. / acid. / c. / spectator species.
b. / base. / d. / salt.

____73.In the reaction H3PO4 + H2O H3O+ + H2PO4–, the ion H2PO4– acts as a(n)

a. / acid. / c. / spectator species.
b. / base. / d. / salt.

____74.The substances produced when KOH(aq) neutralizes HCl(aq) are

a. / HClO(aq) and KH(aq). / c. / H2O(l) and KCl(aq).
b. / KH2O+(aq) and Cl–(aq). / d. / H3O+(aq) and KCl(aq).

____75.What is neutralization?

a. / an acid-base reaction that does not include dissocation of ions
b. / a reaction of hydronium ions and hydroxide ions to form a salt
c. / a reaction of hydronium ions and hydroxide ions to form water molecules
d. / a reaction of hydronium ions and hydroxide ions to form water molecules and a salt

____76.A salt is NOT

a. / an ionic compound composed of a metal cation from a base.
b. / an ionic compound composed of an anion from an acid.
c. / a product of neutralization.
d. / a spectator ion.

____77.Which of the following is NOT involved in neutralizations?

a. / H3O+ ion / c. / an acid and a base in an aqueous solution
b. / OH– ion / d. / neutral compound

____78.Which compound is produced by a neutralization?

a. / H2O(l) / c. / Ca(OH)2(s)
b. / HNO3(aq) / d. / H3PO4(aq)

____79.Which of the following gases does NOT dissolve in atmospheric water to produce acidic solutions?

a. / NO / c. / O2
b. / NO2 / d. / CO2

____80.The reaction of an acid with a carbonate does NOT produce

a. / a salt. / c. / carbon dioxide.
b. / water. / d. / oxygen.

Short Answer

81.What determines the behavior of an amphoteric compound?

82.Explain how industrial processes create acid rain.

83.Use the following equation to explain acid rain: SO3(g) + H2O(l)  H2SO4(aq)

84.Use the following equation to explain how acid rain damages marble structures:

CaCO3(I) + 2H3O+(aq)  Ca2+(aq) + CO2(g) + 3H2O(l)