JEE Main Chemistry question

The major product during hydroboration-oxidation of 1-methylcyclopentene is

(A)*trans*-2-methylcyclopentanolCorrect
(B)*cis*-2-methylcyclopentanol
(C)A bicyclic ether
(D)1-methylcyclopentanol

Answer: (A)

Solution

Hydroboration–oxidation adds H and OH with anti-Markovnikov regiochemistry (OH on the less substituted carbon) and with overall *syn* addition across the double bond; for a cyclic alkene, the steric approach

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Question ID VK-148574