Question

What happens in Finkelstein reactions?

• A. Dehydrohalogenation
• B. Hydrogenation
• C. Halogen exchange
• D. Oxidation

Answer 1

The correct option is C Halogen exchange

The Finkelstein reaction is an organic reaction where an alkyl halide is converted into another alkyl halide by reacting with NaI. Here exchange of halogen take place. This reaction is called Finkelstein Reaction.
$\underset{\text{Ethyl Bromide}}{C_2{H}_{5}Br}+NaI\underset{\text{Heat}}{\overset{\text{Dry Acetone}}{\to }}\underset{\text{Ethyl Iodide}}{C_2{H}_{5}I}+NaBr\downarrow$