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What is the decreasing order of strength...

What is the decreasing order of strengths of the following bases ?
`overset (Ө) OH, NH_2^ (Ө), H-C -= C^ (Ө) `, and `CH_3 - CH_2^ (Ө)`.

A

`CH_3 - CH_2^(Ө) gt NH_2^(Ө) gt H-C -= C^(Ө) gt overset (Ө)OH`

B

`H - C -= C^(Ө) gt CH_3 - CH_2^(Ө) gt NH_2^(Ө) gt overset (Ө) O H`

C

`overset (Ө)OH gt NH_2^(Ө) gt H-C -= C^(Ө) gt CH_3 - CH_2^(Ө)`

D

`NH_2^(Ө) gt H-C -= C^(Ө) gt overset (Ө)OH gt CH_3 - CH_2^(Ө)`

Text Solution

Verified by Experts

The correct Answer is:
A
(a) Acidity : `H_2 O gt HC -= CH gt NH_3 gt CH_3 CH_3`
Basicity : `overset (Ө) O H lt HC -= C^(Ө) lt overset (Ө) N H_2 lt CH_3 C overset (Ө) H_2`.
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