HARD
12th ICSE
IMPORTANT
Earn 100

Draw the structures of vanillin, cinnamaldehyde and salicylaldehyde.

Important Questions on Aldehydes, Ketones and Carboxylic Acids

HARD
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 19
What is Clemmensen reduction?
HARD
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 20

Complete the reaction : 

 Question Image

MEDIUM
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 22
Sodium bisulphite is used for the purification of aldehydes and ketones. Explain.
MEDIUM
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 24
Why is it necessary to control the pH during the reaction of aldehydes and ketones with ammonia derivatives?
MEDIUM
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 25
Write the products of oxidation of pentan-2-one and are the major products same or different? Explain.
MEDIUM
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 25
Write the products of oxidation of pentan-2-one. Are the major products same or different? Explain.
EASY
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 26

Complete the following reaction and explain the formation of products.

CH3COOH+CH3OH→H2SO4

EASY
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 27
Why benzoic acid does not undergo Friedel-crafts reaction?