Arrange the following in the increasing order | vedclass

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Question

(B) Aliphatic amines are more basic than $NH_{3}$ due to the $+I$ effect of alkyl groups.In an aqueous medium,the basicity is determined by a combinat

Vedclass · Accepted Answer

$NH_{3} < (CH_{3})_{3}N < CH_{3}NH_{2} < (CH_{3})_{2}NH$

Vedclass · Answer

(B) Aliphatic amines are more basic than $NH_{3}$ due to the $+I$ effect of alkyl groups.In an aqueous medium,the basicity is determined by a combination of the $+I$ effect,solvation effect,and steric hindrance.For methyl-substituted amines in an aqueous solution,the order of basic strength is $(CH_{3})_{2}NH > CH_{3}NH_{2} > (CH_{3})_{3}N > NH_{3}$.However,looking at the provided options and the standard trend,the correct increasing order is $NH_{3} < (CH_{3})_{3}N < CH_{3}NH_{2} < (CH_{3})_{2}NH$.

Arrange the following in the increasing order of their basic strengths: $CH_{3}NH_{2}$,$(CH_{3})_{2}NH$,$(CH_{3})_{3}N$,$NH_{3}$.

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