JEE Main 2019 — Chemistry solution

JEE Main2019Chemistry

Which hydrogen in compound (E) is easily replaceable during bromination reaction in presence of light :

$C δ H_{2} - C γ H_{2} - C β H_{2} = C α H_{2}$

A
$β$ – hydrogen
B
$γ$ – hydrogen
C
$δ$ – hydrogen
D
$α$ – hydrogen

Solution

{\begin{array}{*{20}{c}}{C{H_3} - C{H_2} - CH = C{H_2} + B{r_2}\underset{}{\stackrel{hv}{\xrightarrow{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}}C{H_3}}\\{}\\{}\end{array}}{\begin{array}{*{20}{c}}{ - CH - }\\|\\{Br}\end{array}}{\begin{array}{*{20}{c}}{CH = C{H_2}}\\{}\\{}\end{array}}

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