JEE MAIN - Chemistry (2021 - 26th August Morning Shift - No. 11)
The correct sequential addition of reagents in the preparation of 3-nitrobenzoic acid from benzene is :
Br2/AlBr3, HNO3/H2SO4, Mg/ether, CO2, H3O+
Br2/AlBr3, NaCN, H3O+, HNO3/H2SO4
Br2/AlBr3, HNO3/H2SO4, NaCN, H3O+
HNO3/H2SO4, Br2/AlBr3, Mg/ether, CO2, H3O+
Explanation
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