Vanillin, used as a flavouring agent, is:
1. An Aliphatic alcohol
2. An Aromatic aldehyde
3. A Hydrocarbon
4. A Carbohydrate

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 88%
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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

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 81%
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The most reactive compound towards the nucleophilic addition reaction is:

1. Benzaldehyde 2. p-Tolualdehyde
3. p-Nitrobenzaldehyde 4. Acetophenone
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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2-Methyl propene on oxidation with hot KMnO4 gives:

1. Acetone

2. Ethanoic acid

3. CO2 and H2

4. Both 1 & 3

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 73%
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The compounds that undergoes the Cannizzaro reaction are: 

(i) Methanal

(ii) 2-Methylpentanal

(iii) Benzaldehyde

(iv) Benzophenone

1. (i)

2. (ii)

3. (i), (iii) 

4. (i), (ii), (iii) 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Match the common names given in Column I with the IUPAC names given in Column II.

Column l 
(Common names)
Column ll
(IUPAC names)
A. Cinnamaldehyde 1. Pentanal 
B. Acetophenone 2. Prop-2-enal
C. Valeraldehyde 3. 1-phenylethanone
D. Acrolein 4. 3-Phenylprop-2-en-al

Codes

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 1 2
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 73%
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Which chemical test is used to distinguish between benzoic acid and ethyl benzoate?

1. Tollens' test

2. Fehling’s test

3. Iodoform test

4. Sodium bicarbonate test.

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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The reaction that does not give benzoic acid as the major product is:

1.  \(\xrightarrow{K_2Cr_2O_7}\) 2. \(\xrightarrow[(ii)H_3O^+]{(i)NaOCl}\)
3. \(\xrightarrow{PCC}\) 4.  \(\xrightarrow{KMnO_4/H^+}\)

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
 84%
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The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H3O+ is:

1.  2.
3. 4.  None of these
Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |
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What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?

1.  2.
3. 4. None of these
Subtopic:  Aldehydes & Ketones: Preparation & Properties | Name Reaction |
 76%
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