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 19
Illustrate the following name reaction giving suitable example: 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 : 

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HARD
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 21

Give one good chemical test to distinguish between the following pair of compounds : Oxalic acid and benzoic acid.

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.
HARD
12th ICSE
IMPORTANT
All In One ISC Chemistry Class 12>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chapter Practice>Q 23
Di-tert-butyl ketone does not give a NaHSO3 adduct but acetone does. Give reason.
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.