B. Rank the following acids from strongest to weakest, i.e., lowest to highest pKa value. (1) Hydrogen sulfide (H2S) (III) Water (H20) (V) Acetylene (C2H2) (II) Methylammonium chloride (CHẠNCI) (IV) Trifluoroacetic acid (C2HF302) [a] II < IV < I < III < V [d] IV < II < I < III < V [b] I< IV < II < III < V [e] IV < I < II < III < V [c] V < III < II

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
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Chapter9: Aqueous Solutions And Chemical Equilibria
Section: Chapter Questions
Problem 9.20QAP
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B. Rank the following acids from strongest to weakest, i.e., lowest to highest pKa value.
(1) Hydrogen sulfide (H2S)
(III) Water (H20)
(V) Acetylene (C2H2)
(II) Methylammonium chloride (CHẠNCI)
(IV) Trifluoroacetic acid (C2HF302)
[a] II < IV < I < III < V
[d] IV < II < I < III < V
[b] I< IV < II < III < V
[e] IV < I < II < III < V
[c] V < III < II <I < IV
Transcribed Image Text:B. Rank the following acids from strongest to weakest, i.e., lowest to highest pKa value. (1) Hydrogen sulfide (H2S) (III) Water (H20) (V) Acetylene (C2H2) (II) Methylammonium chloride (CHẠNCI) (IV) Trifluoroacetic acid (C2HF302) [a] II < IV < I < III < V [d] IV < II < I < III < V [b] I< IV < II < III < V [e] IV < I < II < III < V [c] V < III < II <I < IV
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