Question

The conversion of ethyl bromide using sodium iodide and dry acetone, this reaction is know as ______.

Options

• Swarts reaction 

• Finkelstein reaction 

• Sandmeyer reaction 

• Stephen reaction

Answer 1

The conversion of ethyl bromide using sodium iodide and dry acetone, this reaction is know as Finkelstein reaction.

Explanation:

Alkyl chlorides or bromides reacts with Nal in dry acetone to give alkyl iodide. This reaction is known as Finkelstein reaction.

\[\ce{R - X + NaI -> RI + NaX [X = Cl, Br]}\]

e.g., \[\ce{C2H5Br + NaI -> C2H5I + NaBr}\]