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In which case, lonic mechanism is not followed ?
A. Reaction of acetylene and bromine water
B. Reaction of HBr and propene in the presence of peroxide
C. Reaction of ethyl bromine and alcoholic KOH
D. Dehydration of ethyl alcohol catalysed by acid

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Correct Answer - B
In the presence of peroxide the addition of HBr to propene follows free radical mechanism

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