HARD
12th Tamil Nadu Board
IMPORTANT
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A carbonyl compound A having molecular formula C5H10O forms crystalline precipitate with sodium bisulphite and gives positive iodoform test. A does not reduce Fehling solution. Identify A.

Important Questions on Carbonyl Compounds and Carboxylic Acids

HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 11
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 12
How are the following conversion effected Propanal into Butanone?
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 12
How is the following conversion effected Hex-3-yne into Hexan-3-one?
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 12
How is the following conversion effected, phenylmethanal into benzoic acid ?
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 12
How is the following conversion effected:
Phenylmethanal into benzoin ?
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 13

Complete the following reaction:

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HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 14

Identify A, B and C

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HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 15
Oxidation of ketones involves carbon-carbon bond cleavage. Name the product (s) is/are formed on oxidising 2,5-Dimethyhexan-2-one using strong oxidising agent.