JEE Main Chemistry question

Which of the following is most basic in aqueous medium?

(A)CH_3CH_2CH_2CH_2NH_2 (-butylamine, 1°)
(B) (isobutylamine, 1°, branched)
(C) (trimethylamine, 3°)
(D)CH_3CH_2-NH-CH_3 (-ethylmethylamine, 2°)Correct

Answer: (D)

Solution

In aqueous medium, the standard basicity order for simple alkylamines is 2° > 1° > 3° > , driven by a balance of electron-donation (inductive effect, favouring more alkyl substitution) and solvation of the resulting ammonium cation (favouring less steric

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Question ID VK-150428