An acid that forms an anhydride (X) on heating and an acid imide (Y) on strong heating with ammonia is:

1.  2.
3. 4.

Subtopic:  Carboxylic Acids: Preparation & Properties |
 82%
From NCERT
NEET - 2020
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 A yellow precipitate with iodine and alkali is given by:

(i).  Methyl acetate

(ii).  Acetamide

(iii).  2-Hydroxypropane

(iv).  Acetophenone

1. (i), and (ii)
2. (ii), and (iii)
3. (iii), and (iv)
4. (iv), and (i)

Subtopic:  Name Reaction |
 54%
From NCERT
AIPMT - 2012
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Consider the following reaction:

The product 'A' is:

1. C6H5OH

2. C6H5COCH3

3. C6H5Cl

4. C6H5CHO

Subtopic:  Name Reaction |
 91%
From NCERT
AIPMT - 2012
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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%
From NCERT
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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%
From NCERT
AIPMT - 1998
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Ethylbenzene is obtained from phenyl methyl ketone by using:

1. Zn–Hg+HCl

2. LiAlH4

3. KMnO4

4. None of the above

Subtopic:  Name Reaction |
 78%
From NCERT
AIPMT - 1999
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What is the name of the below mentioned reaction?
\(\small{\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COCl} \stackrel{\text { Pyridine }}{\longrightarrow} \mathrm{CH}_3 \mathrm{COOC}_2 \mathrm{H}_5+\mathrm{HCl}}\)

1. Acetylation

2. Cannizzaro reaction

3. Cross aldol condensation

4. Decarboxylation

Subtopic:  Name Reaction |
 80%
From NCERT
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An organic compound with the molecular formula C9H10O forms a 2,4-DNP derivative, reduces Tollens’ reagent, and undergoes the Cannizzaro reaction. On vigorous oxidation, it gives 1,2-benzenedicarboxylic acid. This organic compound will be:

1. 2-Methyl benzaldehyde

2. 2-Hydroxy benzaldehyde

3. 2-Ethyl benzaldehyde

4. 4-Ethyl benzaldehyde

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 53%
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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%
From NCERT
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