JEE Mains Chemistry Past PapershardMCQ SINGLE

Given below are two statements : Statement I : Acidity of -hydrogens of aldehydes and ketones is resJEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are two statements : Statement I : Acidity of -hydrogens of aldehydes and ketones is responsible for Aldol reaction. Statement II : Reaction between benzaldehyde and ethanal will NOT give Cross – Aldol product. In the light of above statements, choose the most appropriate answer from the options given below. (A) Both Statement I and Statement II are correct. (B) Both Statement I and Statement II are incorrect. (C) Statement I is incorrect but Statement II is correct. (D) Statement I is correct but Statement II is incorrect.

Answer: D

💡 Solution & Explanation

Aldehyde and ketones having acidic -hydrogen show aldol reaction H–C=O + CH3–C–H O (Acidic H) Benzaldehyde Ethanal Base  H–C=CH–C–H Cross aldol product O

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