1.

Correct order of increasing basicity is      [CBSE PMT 1992]

A. \[N{{H}_{3}}<{{C}_{6}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{2}}NH<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N\]
B. \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}<N{{H}_{3}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N<{{({{C}_{2}}{{H}_{5}})}_{2}}NH<{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]
C. \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}<N{{H}_{3}}<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N<{{({{C}_{2}}{{H}_{5}})}_{2}}NH\]
D. \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N<N{{H}_{3}}<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{2}}NH\]
Answer» E.


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