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Choose the correct order arranged in dec...

Choose the correct order arranged in decreasing order of basicity

A

`CH-=C^(-) gt CH_(3)^(-) O gt OH^(-)`

B

`OH^(-) gt CH_(3)O^(-) gt CH-= C^(-)`

C

`CH_(3)O^(-) gt OH^(-) gt CH -= C^(-)`

D

`CH_(3)O^(-) gt CH-=C^(-) gt OH^(-)`

Text Solution

Verified by Experts

The correct Answer is:
A
The strength of the conjugate acids of the given bases are in the order
`H_(2)Ogt CH_(3)OH gt CH-=CH`.
Stronger the acid, weaker is the conjugate base. Hence decreasing order of basicity is
`HC-=C^(-) gt CH_(3)O^(-) gt OH^(-)`
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