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  2. Question
  3. Chemistry
  4. Which hydrogen in compound (E) is easily replaceable during bromination reaction in presence of light: underset δ CH3 - underset γCH2 - underset βCH = underset αCH2

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Q. Which hydrogen in compound $(E)$ is easily replaceable during bromination reaction in presence of light :
$\underset{{ \delta}}{ CH_3} - \underset{{ \gamma}}{CH_2 } - \underset{{ \beta}}{CH} = \underset{{ \alpha}}{CH_2 }$

JEE MainJEE Main 2019Haloalkanes and Haloarenes

Solution:

$\gamma$ - Hydrogen is easily replacable during bromination reaction in presence of light, because Allylic substitution is being preferred.