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In the following compounds, the decreasi...

In the following compounds, the decreasing order of basic strength will be

A

`(C_2H_5)_2NHgtNH_3gtC_2H_5NH_2`

B

`NH_3gtC_2H_5NH_2gt(C_2H_5)_2NH`

C

`(C_2H_5)_2NHgtC_2H_5NH_2gtNH_3`

D

`C_2H_5NH_2gtNH_3gt(C_2H_5)NH`

Text Solution

Verified by Experts

The correct Answer is:
C
As alkylation of nitrogen increases, Basicity of amines increase due to (+I) effect of Alkyl groups which results in more electron cloud density over nitrogen atom (available toward donation). Hence correct order is `(C_2H_5)_2NH gt C_2H_5NH_2 gt NH_3` [ Gaseous phase ]
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