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प्रश्न
Benzoic acid reacts with cone. HNO3 and HiSO4 to give:
पर्याय
3-Nitrobenzoic acid
4-Benzene sulphonic acid
4-Nitrobenzoic acid
2-Nitrobenzoic acid
MCQ
उत्तर
3-Nitrobenzoic acid
Explanation:
– COOH group when attached to benzene ring deactivates the ring and substitution occurs at m-position. (HNO3 + H2SO4) is a source of +NO2 (electrophile) which attacks at m-position.
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