JEE Advance - Chemistry (2008 - Paper 1 Offline - No. 16)
The structure of compounds J and K, respectively, are:




Explanation
The alkyl bromide reacts with Mg to form alkyl magnesium bromide (Grignard reagent) which attacks carbon dioxide followed by hydrolysis to form a carboxylic acid (compound J).
It reacts with thionyl chloride (compound K) to form acid chloride.
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