Which of the following undergoes decarboxylation most readily on being heated?

1.  
2.
3.
4.

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
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product (A) of the reaction is

(1)  
(2)
(3)
(4)
Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 58%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which statement is correct about the following reaction

(1) There is inversion of configuration at asymmetric C* atom

(2) There is No change of configuration at asymmetric C* atom

(3) There is 100% racemisation at C* atom

(4) % inversion > % retention at C* atom

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Identify C in the following sequence of reactions :

(1)  
(2)
(3)
(4)
Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 71%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Product (A) obtained is :

(1)  
(2)
(3)
(4)
Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following acid remains unaffected on heating ?

(1) malonic acid

(2) maleic acid

(3) Fumaric acid

(4) Succinic acid

Subtopic:  Carboxylic Acids: Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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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
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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
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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
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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
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