Chemistry Daily 10’s
Week 16
1
1. Acids react witha. bases to produce salts and water.b. salts to produce bases and water.c. water to produce bases and salts.d. neither bases, salts, nor water.
2. A binary acid containsa. two hydrogen atoms.b. hydrogen and one other element.c. hydrogen and two other elements.d. hydrogen and three other elements.
2
1. Compared with acids that have the suffix -ic, acids that have the suffix -ous contain
a. more hydrogen.b. more oxygen.c. less oxygen.d. the same amount of oxygen.
2. A substance that ionizes nearly completely in aqueous solutions and produces H3O+ is a
a. weak base.b. strong base.c. weak acid.d. strong acid.
3
1. In the equation HCl(g) + H2O(l) H3O+(aq) + Cl–(aq), which species is a Brønsted-Lowry acid?
a. HClb. H2O
c. Cl–
d. None of the above
2. A Lewis base is a(n)a. producer of OH– ions.b. proton acceptor.c. electron-pair donor.d. electron-pair acceptor.
4
1. In the reaction represented by the equation Ag+(aq) + 2NH3(aq) [Ag(NH3)2]+(aq), Ag+ is a
a. Brønsted-Lowry acid.b. Lewis acid.c. Brønsted-Lowry base.d. Arrhenius base.
2. In the reaction represented by the equation , a conjugate acid-base pair is
a. F– and H2O.
b. HF and F–.c. H3O+ and HF.
d. HF and H2O.
5
1. An amphoteric species is one that reacts as a(n)
a. acid only.b. base only.c. acid or base.d. None of the above
2. Which of the following is amphoteric?a. H3PO4
b. H+
c.d.
Answers & Standards
• 1.1. ANS: A STA: SC7.b• 1.2. ANS: B STA: SC7.b• 2.1. ANS: C STA: SC7.b• 2.2. ANS: D STA: SC7.b• 3.1. ANS: A STA: SC7.b• 3.2. ANS: C STA: SC7.b• 4.1. ANS: B STA: SC1.d• 4.2. ANS: B STA: SC7.b• 5.1. ANS: C STA: SC7.b• 5.2. ANS: C STA: SC7.b
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