Multiple Choice
Given 0.01 M solutions of each of the following acids, which solution would have the lowest pH?
A) Hypoiodous acid (HOI) , Ka = 2.3 × 10-11
B) Hypobromous acid (HOBr) , Ka = 2.5 × 10-9
C) Lactic acid (HC3H5O3) , Ka = 1.3 × 10-4
D) Chlorous acid (HClO2) , Ka = 1.1 × 10-2
E) Boric acid (H3BO3) , Ka = 5.9 × 10-10
Correct Answer:

Verified
Correct Answer:
Verified
Q74: A 0.350 M solution of an unknown
Q75: A 0.200 M solution of an acid
Q76: Hydrazine is a base, and the value
Q77: Solutions of chlorine bleach contain the hypochlorite
Q78: 50.00 mL of 0.10 M HNO<sub>2</sub> (nitrous
Q80: The pH at the equivalence point of
Q81: The ionization constant, K<sub>a</sub>, for HCN(aq)is 6.2
Q82: A buffer solution is prepared by taking
Q83: The ionization constant, K<sub>a</sub>, for acetic acid,
Q84: If the H<sup>+</sup> ion concentration in an