STANDARDChemistry-Haloalkanes and Haloarenes
STANDARD Chemistry Halogen Exchange Reactions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which of the following is halogen exchange reaction?
A
RX + NaI → RI + NaX
B
R—OH + HX → R—X + H₂O
C
R—C≡C—H + HX → R—C≡C—X
D
C₆H₅CH₃ + X₂ → C₆H₅CH₂X + HX
Correct Answer
Option A
Detailed Explanation
Halogen exchange reactions involve the exchange of halogens between two compounds. The reaction RX + NaI → RI + NaX is a classic example of halogen exchange, known as the Finkelstein reaction.
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