A set of reagents (1 to 8) are successively reacted with the following compound

1. NaHCO3

2. 2, 4, DNP

3. Na metal

4. AgNO3 +OH

5. Fehling's solution

6. Cu2CI2 + NH4OH

7. Br2/H2O

8. NaNO2 + HCI

The reagents which give the positive test with the given compound are :

(1) 1, 2, 3, 4, 5

(2) 3, 4, 5, 6, 8

(3) 1, 2, 3, 4, 8

(4) All reagents except 1 and 8

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 61%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following alcohol will show positive iodoform test ?

(1)

(2)

(3)

(4) None of these

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 51%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The compound A gives following reactions.

Its structure can be

(1)  
(2)
(3)
(4)
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In compound A (C30H60O) following tests are observed negatively, A can be :

(1) an unsaturated ether

(2) an epoxide

(3) a cyclic ketone

(4) a cycloalkanol

Subtopic:  Isomers & Reaction Mechanism |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A mixture of two organic compound gives red coloured precipitate with cuprous chloride (ammonical) and silver mirror on heating with Zn dust and NH4CI followed by AgNO3 + NH4OH solution. The mixture contains

1.  
2.
3.
4.
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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 ?

The major product of the reaction is:-

1.  

2.  

3.  

4.  

Subtopic:  Isomers & Reaction Mechanism |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which one of the following is the intermediate in the preparation of a ketone by hydration of an alkyne in the presence of sulfuric acid and mercury (II) sulphate?

1. 

2. 

3. 

4. 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

 RCO2H product; Product of this reaction is:

(a) 

(b) 

(c) both (a) and (b)

(d) none of these

Subtopic:  Isomers & Reaction Mechanism |
 64%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Above conversion can be achieved by:

(a) Wolf-kishner reduction

(b) Clemmensen reduction

(c) LiAlH4

(d) NaBH4

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 56%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Product (A) is:

1. 

2. 

3.  

4.   

Subtopic:  Isomers & Reaction Mechanism |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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