Question

Which of the following is halogen exchange reaction

• A. $RX + NaI \rightarrow RI + NaX$
• B.
• C. $R - OH + HX\overset{\quad ZnCl_{2}\quad}{\rightarrow}R - X + H_{2}O$
• D.

Answer 1

Answer: (B)

Answer 2

The reactivity of alcohols towards halogen acids decreases in the order: 3°>2°>1°