JEE MAIN - Chemistry (2019 - 10th January Morning Slot - No. 11)
Which hydrogen in compound (E) is easily replaceable during bromination reaction in presence of light ?
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$$\beta $$ $$-$$ hydrogen
$$\alpha $$ $$-$$ hydrogen
$$\gamma $$ $$-$$ hydrogen
$$\delta $$ $$-$$ hydrogen
Explanation
Due to greater stability of allyl radical formed after
replacement of $$\gamma $$-hydrogen in compound (E), allylic bromination
can easily be taken place.
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