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Chemistry Ch.15

QuestionAnswer
1) Identify the acid that is in car batteries. A) H2SO4
2) Identify the acid that is in vinegar. D) CH3COOH
3) Identify the base that is in baking soda. C) NaHCO3
4) Identify the base that is in Drano. B) NaOH
5) Which of the following is an Arrhenius acid? A) H2SO4
6) Which of the following is an Arrhenius base? B) NaOH
7) Which of the following is a Br∅nsted-Lowry acid? A) NH4+
8) Which of the following is a Br∅nsted-Lowry base? C) NH3
9) Which of the following species is amphoteric? D) HPO42-
10) What is the conjugate acid of HCO3⁻ ? E) H2CO3
11) What is the conjugate base of H2PO4⁻ ? A) HPO42-
12) Which of the following is NOT a conjugate acid-base pair? B) H3O⁺/OH⁻
13) Identify the diprotic acid. D) H2SO4
14) Identify the weak diprotic acid. E) H2CO3
15) Identify the weak diprotic acid. C) H2SO3
16) Identify the triprotic acid. B) H3PO4
17) Give the characteristics of a strong acid. E) all of the above
18) The stronger the acid, then which of the following is TRUE? C) The weaker the conjugate base.
19) Place the following in order of increasing acid strength. B) HBrO < HBrO2 < HBrO3 < HBrO4
20) Which of the following is a STRONG acid? C) HClO4
21) Which of the following is a WEAK acid? D) HCO2H
22) How many of the following are WEAK acids? HCN HClO2 HNO3 H2PO4⁻ C) 3
23) Which of the following statements is TRUE? D) The conjugate base of a very weak acid is stronger than the conjugate base of a strong acid.
24) Which of the following acids will have the strongest conjugate base? D) HCN
25) Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25∘C. The acid is followed by its Ka value. B) HCN, 4.9 × 10-10
26) Identify the food that is NOT acidic. C) egg white
27) Which of the following is TRUE? C) An acidic solution has [H3O⁺] > [OH⁻]
57) Determine the [OH⁻] concentration in a 0.169 M Ca(OH)2 solution. A) 0.338 M
67) List an ingredient that is in antacid. D) all of the above
68) Which one of the following will form an acidic solution in water? A) NH4Cl
69) Which one of the following will form a basic solution in water? B) LiCN
74) In a triprotic acid, which Ka has the highest value? A) Ka1
75) Which of the following is a polyprotic acid? B) H2SO4
76) Which of the following is a triprotic acid? C) H3PO4
80) Identify the strongest acid. D) H2Te
81) Identify the weakest acid. A) HF
82) Identify the strongest acid. A) HClO4
83) Which of the following is a Lewis acid? A) BCl3
84) Which of the following is a Lewis base? B) H2O
85) List the compound in marble that is destroyed by acid rain. C) CaCO3
1) When dissolved in water, which compound is generally considered to be an Arrhenius acid? A) CH3CO2H
2) Which Br∅nsted-Lowry acid is not considered to be a strong acid in water? C) H2S O3
30) Which one of the following salts, when dissolved in water, produces the solution with the highest pH? C) RaO
31) If an equal number of moles of the weak acid HCN and the strong base KOH are added to water, is the resulting solution acidic, basic, or neutral? B) basic
32) Which one of the following salts, when dissolved in water, produces the solution with the highest pH? D) RbF
33) Which one of the following salts, when dissolved in water, produces the solution with a pH closest to 7.00? D) Cs I
34) Which one of the following salts, when dissolved in water, produces the solution with the lowest pH? D) AlCl3
The base-dissociation constant of ethylamine (C5H5NH2) is 6.4 × 10-4 at 25.0°C. The [H+] in a 1.6 x 10-2 M solution of ethylamine is __________ M. C) 3.1 × 10-12
Created by: isha2326
 

 



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