A) Perkin condensation
B) Claisen condensation
C) Oxidative addition
D) Aldol condensation
Correct Answer: A
Solution :
(i) Benzaldehyde dofis not undergo aldol condensation as it does not have a-hydrogen atom. (ii) Perkin condensation \[\underset{\text{benzaldehyde}}{\mathop{{{C}_{6}}{{H}_{5}}CHO}}\,\,+\,\underset{\text{acetic}\,\text{anhydride}}{\mathop{{{(C{{H}_{3}}CO)}_{2}}O}}\,\xrightarrow[-{{H}_{2}}O,\Delta ]{C{{H}_{3}}COONa}\] \[\underset{3-\text{phenyl}\,\text{prop}\,2-\text{en}\,-1\,\text{oic}\,\text{acid}}{\mathop{{{C}_{6}}{{H}_{5}}CH=CHCOOH+C{{H}_{3}}COOH}}\,\]
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