Q31 / 150 · MHT CET 2019 (Shift 2) · Chemistry

Which reaction is useful in exchange of halogen in alkyl chloride by iodide?

A
Wurtz reaction
Correct answer
B
Finkelstein reaction
C
Reimer-Tiemann reaction
D
Williamson synthesis

Solution

The reaction is useful in exchange of halogen in alkyl chloride by iodide is Finkelstein reaction. This reaction is used in preparation of alkhyl iodide by the reaction of alkyl chloride, bromide with Nal in dry acetone.
e. g.

C H_{3} C H_{2} B r + N a l \frac{A c e t o n e}{Δ} C H_{3} C H_{2} l + N a B r

Hence, the correct answer is option: 'B'.

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