The correct order of basicity of amines in water is :

Q: The correct order of basicity of amines in water is :

a (a) Basicity of amines increase with increase in number of $ - C{H_3}$ groups (or any group which cause $+I$ effect), due to increase in electron density on $N$ atom. As a rule, the basicity of t-amine should be more than that of s-amine, but actually it is found to be lesser than s-amines. This is due to stearic hinderence of bulkier alkyl groups, which decreases the availability of lone pair of electron on the $N$ atom of the amino group. Hence the correct order of basicity is : ${(C{H_3})_2}NH > {(C{H_3})_3}N > C{H_3}N{H_2}$

SECTION - A [CHEMISTY - MCQ]

GSEB - English Medium

The correct order of basicity of amines in water is :

A${(C{H_3})_2}NH > {(C{H_3})_3}N > C{H_3}N{H_2}$
B$C{H_3}N{H_2} > {(C{H_3})_2}NH > {(C{H_3})_3}N$
C${(C{H_3})_3}N > {(C{H_3})_2}NH > C{H_3}N{H_2}$
D${(C{H_3})_3}N > C{H_3}N{H_2} > {(C{H_3})_2}NH$

Medium

STD 11 Science
JEE
STD 12 - 9. Amines
Chemistry

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