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Rank the following in order of decreasin...

Rank the following in order of decreasing rate in `E_(2)` reaction :

A

agtbgtc

B

Cgtagtb

C

CgtBgta

D

bgtagtC

Text Solution

Verified by Experts

The correct Answer is:
b
In `E_(2)` anti eliminaation take place ,H and bromine must favourable for `E_(2)` reaction . (B) is least reactive because hydrogen and bromine both are on same side (B) is inert toward `e_(2)` reaction .
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