Question

explain finkelstein reaction with example

Answer 1

Finkelstein reaction: An SN2 reaction in which one halogen atom (the leaving group) is replaced by another halogen atom (the nucleophile). In this example of the Finkelstein reaction, 1-chloro-2-phenylethane (a primary alkyl halide) is treated with sodium iodide (the nucleophile) to produce 1-iodo-2-phenylethane.

Answer 2

Explanation:

when alkyl chloride or alkyl bromides react with sodium iodide in dry ether alkyl iodides are formed