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Q.

Salicylaldehyde reacts with acetic anhydride in presence of sodium acetate to give a compound which on acidification followed by treatment with concentrated sulphuric acid gives Coumarin which is used to make many anticoagulant drugs. The structure of Coumarin is

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a

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b

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c

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d

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answer is C.

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Detailed Solution

Perkin condensation followed by hydrolysis and intramolecular esterification of phenolic OH with carboxylic acid.

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