JEE Main202126 Aug 2021Morning ShiftChemistryCarboxylic Acid DerivativesActual
The correct sequential addition of reagents in the preparation of 3 - nitrobenzoic acid from benzene is:
Options
- ABr 2 / AlBr 3 , HNO 3 / H 2 SO 4 , Mg / ether, CO 2 , H 3 O +
- BBr 2 / AlBr 3 , NaCN , H 3 O + , HNO 3 / H 2 SO 4
- CBr 2 / AlBr 3 , HNO 3 / H 2 SO 4 , NaCN , H 3 O +
- DHNO 3 / H 2 SO 4 , Br 2 / AlBr 3 , Mg / ether, CO 2 , H 3 O +
Correct answer
D. HNO 3 / H 2 SO 4 , Br 2 / AlBr 3 , Mg / ether, CO 2 , H 3 O +
Step-by-step solution
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