JEE Main Chemistry question
On conversion into the Grignard reagent, followed by treatment with absolute ethanol, how many isomeric alkyl chlorides would yield 2-methylbutane?
Answer: (C)
Solution
Grignard formation followed by protonolysis with an alcohol simply replaces the C–Cl bond with a C–H bond, regenerating the parent hydrocarbon skeleton at that same carbon; so every structurally distinct monochloro derivative of 2-methylbutane will regenerate 2-methylbutane this
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