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JEE · NEET Previous Year Question

$The correct order of basic strength of CH3NH2(I), (CH3)2NH(II), (CH3)3N(III), C6H5CH2NH2(IV) in gaseous phase is -$

Topic: NEET PYQ

Answer: D. Full step-by-step solution below.

A $IV < III < II < I$
B $IV < III < I < II$
C $I < II < III < IV$
D $IV < I < II < III$

Correct answer: D

Solution

(d) In gaseous phase basic strength depends upon electronic effect : (Kb \propto + I effect).

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