EASY
12th Tamil Nadu Board
IMPORTANT
Earn 100

The reagent used to distinguish between acetaldehyde and benzaldehyde is

46.67% studentsanswered this correctly

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 21
Phenylmethanal is reacted with concentrated NaOH to give two products X and Y. X reacts with metallic sodium to liberate hydrogen. X and Y are
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 22
In which of the following reactions new carbon-carbon bond is not formed?
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 23
An alkene “A” on reaction with O3 and Zn-H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene “A” gives “B” as the major product. The structure of product “B” is
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 24
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 1

How is Propanoic acid is prepared starting from an alcohol ?

 

HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 1
How is Propanoic acid is prepared starting from an alkyl halide?
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 1
How is Propanoic acid is prepared starting from an alkene ?
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Standard 12 Vol II>Chapter 5 - Carbonyl Compounds and Carboxylic Acids>EVALUATION>Q 2
A Compound A with molecular formula C2H3N on acid hydrolysis gives B which reacts with thionyl chloride to give compound C. Benzene reacts with compound C in presence of anhydrous AlCl3 to give compound D. Compound C on reduction gives E. Identify A, B,C, D and E. Write the equations.