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Q.

Which of the following is an example of Perkin condensation?

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a

C6H5CHO+CH3NO2KOHC6H5CH=CHNO2+H2O

b

2CH3COCH3 dry HCl CH32C=CHCOCH3

c

2HCHO+NaOHCH3OH+HCOONa

d

C6H5CHO+CH3CO2OCH3COONaC6H5CH=CHCOOH

answer is D.

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Detailed Solution

C6H5CHO+CH3CO2OCH3COONaC6H5CH=CHCOOH  is an example of Perkin condensation.

An aromatic aldehyde and an acid anhydride are condensed in the Perkin reaction, also known as Perkin condensation, in the presence of an alkali salt of the acid that functions as a weak base to create,-unsaturated aromatic acid.

Hence, correct option is D.

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