1.

Assertion (A): IN comparison to C_(2) H_(5)Br, it is difficultto carry out SN reaction o vinylbromide. Reason (R):Vinyl groupis electrondonating.

Answer»

Both `(A)` and `(R)` are true and `(R0` is the correct explanation of `(A)`.
Both `(A)` and `(R)` are true but `(R)` is not the correct explanation of `(A)`.
`(A) is true but `(R)` is false.
`(A) is falsebut `(R)` is true.

Solution :Correct REASON:
`(C-X)` bond has some double bond character.


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