Question

when 3-methylbutan-2-ol is treated with HBr what is the reaction take place .Give a mechanism for this reaction.​

Answer 1

Answer:

Beta-Elimination reaction takes place resulting in but-2-ene.

Mechanism :

• HBr attacks on Br and OH.
• -Br gets attached with Br from HBr to form Br2.
• -OH gets attached with H from HBR to form H2O.
• Then double bond forms between the C-C atoms.

C-C-C-C ----HBr----> C-C=C-C

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Br OH

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