Alkyl Halides - Result Question 10
10. Which hydrogen in compound $(E)$ is easily replaceable during bromination reaction in presence of light?
(2019 Main, 10 Jan I)
(a) $\beta$ -hydrogen
(b) $\delta$ -hydrogen
(c) $\gamma$ -hydrogen
(d) $\alpha$ -hydrogen
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Answer:
Correct Answer: 10. (c)
Solution:
- The compound $(E)$ has two allyl-hydrogen atoms $(\gamma)$. When $E$ reacts with $Br _2 / h v$, it readily undergoes allylic free radical substitution and forms $3, 3$ -dibromobut-1-ene
BETA
