1.

Among dimethylamine (I), aniline (II) and methylaniline (III), the increasing order of basic strength is

Answer»

`II lt III lt I`
`I lt III lt II`
`III lt I lt II`
`II lt I lt III`

Solution :DIMETHYLAMINE `(K_(b)=5.4 xx 10^(-4))`
Methyl amine `(K_(b)=4.5 xx 10^(-4))`
ANILINE `(K_(b)=4.2 xx 10^(-10))`
`:.` Correct ORDER of basic strength is Aniline `lt` Methylamine `lt` Dimethylamine
or `II lt III lt I`


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