Vanillin, used as a flavouring agent, is:
1. An Aliphatic alcohol
2. An Aromatic aldehyde
3. A Hydrocarbon
4. A Carbohydrate
The product formed by the reaction of an aldehyde with a primary amine is:
1. Ketone
2. Carboxylic acid
3. Aromatic acid
4. Schiff base
The correct order of decreasing acid strength of
trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C), and formic acid (D) is:
1. B > A > D > C
2. B > D > C > A
3. A > B > C > D
4. A > C > B >D
The correct sequence of increasing orders of reactivity in nucleophilic addition reaction is:
1. Butanone < Propanone < Propanal < Ethanal
2. Butanone > Propanone > Propanal > Ethanal
3. Butanone < Propanal < Propanone < Ethanal
4. Propanal < Propanone < Ethanal < Butanone
A compound that can be reduced to the corresponding hydrocarbon by Zn-Hg/ conc. HCl is:
1. Butan-2-one
2. Acetic acid
3. Acetamide
4. Ethyl acetate
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon is:
1. | A carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration. |
2. | A carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as carbonylation. |
3. | A carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism. |
4. | A carbonyl compound with a hydrogen atom on its alpha-carbon never equilibrates with its corresponding enol. |
A compound with the molecular formula C5H10 that yields acetone on ozonolysis is:
1. 2-Methyl-2-butene
2. 2-Methyl-1-butene
3. Cyclopentane
4. 3-Methyl-1-butene
The most reactive compound towards the nucleophilic addition reaction is:
1. | Benzaldehyde | 2. | p-Tolualdehyde |
3. | p-Nitrobenzaldehyde | 4. | Acetophenone |
The final product 'B' in the below mentioned reaction is:
1. | 2. | ||
3. | 4. |