MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

Explain why benzaldehyde does not undergo aldol condensation whereas acetaldehyde does.

Important Questions on Aldehydes and Ketones

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (xiv)
Explain why the bond energy of >C=O is higher than that of >C=C<.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (xv)
Oximes are more acidic than hydroxylamine. Why?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (xvi)

How does acetaldehyde react with Tollen's reagent? Give equation.

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (xvii)
How will you distinguish an aldehyde from a ketone? Give one chemical test.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (xviii)
Which type of aldehydes show Cannizzaro reaction?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q 1
Give any four points of difference between acetaldehyde and acetone.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q 1
How can you bring out the conversion of ethanal to 2-hydroxy -3-butanoic acid.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q 2

Explain the action of hydrogen cyanide on acetophenone.