(Only one enantiomer is taken)
Which of the following statement is correct about A and B?
(a) A  and B are mixture of diastereomers
(b) A and B are mixture of enantiomers
(c) A and B are optically active
(d) B is racemic mixture

Subtopic:  Alkanes, Alkenes and Alkynes - Conformations and Hybridisation |
 55%
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NEET 2023 - Target Batch - Aryan Raj Singh
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HO (X) CH2=CH-PPh3Br (Y)

Product (Y) of the above reaction is:

1.   

2.  

3.  

4.  

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions | Aromatic Hydrocarbons - Reactions & Mechanism |
 55%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Reagent (A) and (B) in the above reaction are:

(a) A = RCO3H, B = H2O2                         (b) A = RCO3H, B = HIO4

(c) A = RCO3H, B = O3                             (d) A = O3, B = RCO3H

 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Rank the following in the increasing order of rate of reaction with HBr.

(P) 

(Q)     

(R)    

(1) R>P>Q

(2) R>Q>P

(3) P>R>S

(4) P>S>R

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 60%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following reactions generates the major product? Ignore stereoisomerism

(1)

(2)  

(3)  

(4)  

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In the given selective hydrogenation which combination is incorrect ?

1. (w.c. = wilkinsons catalyst)

2.  (w.c. = wilkinsons catalyst)

3. 

4. H2CH2-CH=CH-CH3

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
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NEET 2023 - Target Batch - Aryan Raj Singh
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ANa/NH3lBMCBPAC

Compound (C) in above sequence of reaction is:

1.    

2. 

3.  

4. 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation | Alkanes, Alkenes and Alkynes - Chemical Properties |
 61%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

R2O2/hvHBr(A);   

 

Major product (A) is:

(a) 

(b) 

(c) 

(d) 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 70%
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NEET 2023 - Target Batch - Aryan Raj Singh
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In the reaction given below, the product would be:-

CH3-CH=CH-CH3 H3O+ CH3-CH2-C |
OHH-CH3

1. a mixture of diastereomers  
2. optically active
3. optically pure enantiomer

4. a racemic mixture

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 50%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

 H+Possible products Br2/CCl4(y) products

The number of possible products for x and y is:

(a) 2,4

(b) 3,5

(c) 3,6

(d) 3,4

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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