Q. Cyclobutylbromide on treatment with magnesium in dry ether forms an organometallic compound $(A)$. The organometallic reacts with ethanal to give an alcohol $(B)$ after mild acidification. Prolonged treatment of alcohol $(B)$ with an equivalent amount of $HBr$ gives $1$-bromo-Imethylcyclopentane $(C)$. Write the structures of $(A), (B)$ and explain how $(C)$ is obtained from $(B)$.
IIT JEEIIT JEE 2001Alcohols Phenols and Ethers
Solution:
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