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Chemistry
The correct sequence of reagents used in the preparation of 4 -bromo-2-nitroethyl benzene from benzene is :
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Q. The correct sequence of reagents used in the preparation of 4 -bromo-2-nitroethyl benzene from benzene is :
JEE Main
JEE Main 2021
Hydrocarbons
A
$HNO _{3} / H _{2} SO _{4}, Br _{2} / AlCl _{3}, CH _{3} COCl / AlCl _{3}$, $Zn - Hg / HCl$
25%
B
$Br _{2} / AlBr _{3}, CH _{3} COCl / AlCl _{3}, HNO _{3} / H _{2} SO _{4}$ $Zn / HCl$
0%
C
$CH _{3} COCl / AlCl _{3}, Br _{2} / AlBr _{3}, HNO _{3} / H _{2} SO _{4}$ $Zn / HCl$
0%
D
$CH _{3} COCl / AlCl _{3}, Zn - Hg / HCl , Br _{2} / AlBr _{3},$ $HNO _{3} / H _{2} SO _{4}$
75%
Solution:
