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प्रश्न
Which of the following reactions does not give benzal-dehyde?
विकल्प
Rosenmund reaction
Etard reaction
Gatterman-Koch reaction
Friedel-Craft acylation reaction
MCQ
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उत्तर
Friedel-Craft acylation reaction
Explanation:
Friedel-Crafts acylation of benzene produces an aromatic ketone and not benzaldehyde. Benzene on Gatterman-Koch reaction gives benzaldehyde, so does toluene gives benzaldehyde Etard reaction. Rosenmund reaction also gives benzaldehyde but from benzoyl chloride.
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