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
