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Question
Which reaction is useful in exchange of halogen in alkyl chloride by iodide?
Options
Wurtz reaction
Finkelstein reaction
Reimer-Tiemann reaction
Williamson synthesis
MCQ
Solution
Finkelstein reaction
Explanation:
The reaction is useful for halogen exchange. Finkelstein reaction occurs when alkyl chloride reacts with iodide. This procedure is used to make alkyl iodide by combining alkyl chloride, bromide, and Nal in dry acetone. e.g.
\[\ce{CH3CH2Br + Nal ->[Acetone][\Delta] CH3CH2I + NaBr}\]
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Methods of Preparation of Alkyl Halides
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