MCQ
Which of the following is halogen exchange reaction?
- A$\text{RX}+\text{NaI}\xrightarrow{ \ \ \ \ \ \ \ \ \ \ }\text{RI + NaX}$
- B
- C$\text{R}-\text{OH + HX}\xrightarrow{\ \ \text{ZnCl}_2\ \ }\text{R}-\text{X + H}_2\text{O}$
- D
✓
Answer
- $\text{RX}+\text{NaI}\xrightarrow{ \ \ \ \ \ \ \ \ \ \ }\text{RI + NaX}$
Explanation:
Halogen exchange reactions are those reactions in which one halide replaces another. This reaction is known as Finkelstein reaction. In
- Halogen (-X) is replaced by iodine.
- Addition of hydrogen halide on alkene.
- Halogen replaces alcoholic group.
- Halogen replaces the hydrogen of benzoic ring.
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