Advertisements
Advertisements
प्रश्न
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
Semicarbazide and weak acid
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Acetaldehyde, when treated with which among the following reagents does NOT undergo addition reaction?
(A) Ammonia
(B) Hydroxylamine
(C) Ammoniacal silver nitrate
(D) Semicarbazide
Draw the structure of the semicarbazone of ethanal.
Write the products formed when CH3CHO reacts with the following reagents : HCN
What is meant by the following term? Give an example of the reaction in the following case.
Ketal
What is meant by the following term? Give an example of the reaction in the following case.
2, 4-DNP-derivative
What is meant by the following term? Give an example of the reaction in the following case.
Schiff’s base
How are the following compounds prepared?
benzaldehyde from benzoyl chloride
Give a simple chemical test to distinguish between 
Write the main product formed when propanal reacts with the following reagents:
2 moles of 3 CH OH in presence of dry HCl
Which of the following is the correct representation for intermediate of nucleophilic addition reaction to the given carbonyl compound (A):
(i) 
(ii) 
(iii) 
(iv) 
Benzaldehyde can be obtained from benzal chloride. Write reactions for obtaining benzalchloride and then benzaldehyde from it.
Carboxylic acids contain carbonyl group but do not show the nucleophilic addition reaction like aldehydes or ketones. Why?
Grignard reagent on reaction with acetone forms.
Paraldehyde is formed as a result of polymerisation:-
Write the name of product formed, when acetone is treated with 2, 4-dinitrophenyl hydrazine.
The product "P" in the above reaction is:
Draw structure of the following derivative.
The ethylene ketal of hexane-3-one
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
