Question:
Which hydrogen in compound (E) is easily replaceable during bromination reaction in presence of light :
$\underset{\delta}{\mathrm{CH}_{3}}-\underset{\gamma}{\mathrm{C}_{2}}-\underset{\beta}{\mathrm{C}} \mathrm{H}=\underset{\alpha}{\mathrm{C}_{2}}$
Correct Option: , 2
Solution:
(2) $\gamma$-hydrogen