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In alternative (c) why is it giving E1CB reaction even though Br- is not a strong base? Please explain in detail.​
In alternative (c) why is it giving E1CB reaction even though Br- is not a strong base? Please explain in detail.​ (B) Column H, — CH —CD o reaction with C2Hso- hCH2CH7Br gi e elimination faster than PhCD C 2Br. The mechanism is in r senceof C2HPD ive? good yicl o PhCD;CH2Br 'long Yith alke e h-CH-CD, ad Ph-CH-CH3 on elimination, yi ld alkene at the same rate Column II (p) The reaction is El (q) The reaction is E2 (r) The reaction is El CB (s) The reaction is unimolecular

Dear Student,

The general mechanism of E1cB is expressed below,


The presence of O and -Br an base gives good stabilised mechanism of reaction yields PhCD2CH2Br by E1cB mechanism.

Regards.

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