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 |
 72%
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The correct sequence of reagents used to yield p-Nitrobenzaldehyde from benzene is:

(a) CH3Cl /Anhyd. AlCl3
(b) HNO3 /H2SO
(c) CS2 / CrO2Cl2
(d) H3O+
 
1. (a) (b) (c) (d)
2. (c) (b) (a) (d)
3. (b) (a) (c) (d)
4. (a) (b) (d) (c)

Subtopic:  Name Reaction |
 67%
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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 |
 64%
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The products X and Y in the below sequence of reactions are:
 
X Y
1.  CrO2Cl2/CCl4 CH3OH / H+
2.   KMnO4 CH3OH / H+
3. CrO2Cl2/CCl4 CH3CO2O
4. KMnO4 CH3CO2O
Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 67%
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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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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 |
 84%
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The below structure is an example of :
Cyanohydrin - Wikipedia

1. Cyanohydrin 2. Hemiacetal
3. Acetal 4. Cyanoalcohol
Subtopic:  Isomers & Reaction Mechanism |
 70%
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The compound that does not give an iodoform test is:

1. 3-Pentanone

2.  2-Pentanone

3.  Ethanol

4.  Ethanal

Subtopic:  Name Reaction |
 75%
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AIPMT - 1998
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Match the compounds given in List-I with List-II and select the suitable option from the code given below:

List-I List-II

(a) Benzaldehyde

(i) Phenolphthalein

(b) Phthalic anhydride

(ii) Benzoin condensation

(c) Phenyl benzoate

(iii) Oil of wintergreen

(d) Methyl salicylate

(iv) Fries rearrangement

Codes:

(a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2. (iv) (i) (iii) (ii)
3. (iv) (ii) (iii) (i)
4. (ii) (iii) (iv) (i)
Subtopic:  Name Reaction |
 66%
AIPMT - 2011
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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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