Question:medium
The increasing order of basic strength of the following amines in aqueous solution is:
I. $\mathrm{CH_3NH_2}$
II. $(\mathrm{CH_3})_2\mathrm{NH}$
III. $(\mathrm{CH_3})_3\mathrm{N}$
IV. $\mathrm{NH_3}$
The increasing order of basic strength of the following amines in aqueous solution is:
I. $\mathrm{CH_3NH_2}$
II. $(\mathrm{CH_3})_2\mathrm{NH}$
III. $(\mathrm{CH_3})_3\mathrm{N}$
IV. $\mathrm{NH_3}$
Show Hint
For simple aliphatic amines in aqueous solution:
\[
2^\circ > 1^\circ > 3^\circ > NH_3
\]
because both inductive effect and solvation effect must be considered.
Updated On: Jun 17, 2026
- $\mathrm{NH_3 < (CH_3)_3N < CH_3NH_2 < (CH_3)_2NH}$
- $(\mathrm{CH_3})_3\mathrm{N < NH_3 < CH_3NH_2 < (CH_3)_2NH}$
- $\mathrm{NH_3 < CH_3NH_2 < (CH_3)_3N < (CH_3)_2NH}$
- $(\mathrm{CH_3})_2\mathrm{NH < (CH_3)_3N < CH_3NH_2 < NH_3}$
Show Solution
The Correct Option is A
Solution and Explanation
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