+ NaI (1 mole) Acetone(A); Major product of this reaction is:

1. 

2. 

3. 

4. 

Subtopic:  Introduction and Physical Properties |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following alkyl halide undergo rearrangement in SN1 reaction?

1. CH3-C|CH3|CH3-CH|I-CH3

2.  

3.  

4. All of these

Subtopic:  Mechanism of Reactions |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The correct sequence among the following for the below mentioned three chlorides in decreasing order towards SN1 reactivity will be:
1. 2.
3.
 
 
1. 1 > 2 > 3 2. 2 > 3 > 1
3. 2 > 1 > 3 4. 3 > 2 > 1
Subtopic:  Mechanism of Reactions |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which compound undergoes nucleophilic substitution with NaCN at the fastest rate ?

1.  

2.  

3.  

4.  

Subtopic:  Mechanism of Reactions |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Rank the following in order of decreasing rate of solvolysis with aqueous ethanol (fastest slowest)

         CH3                         
          |
H2C=CBr
        (1)           Br
          |
CH3-CHCH2CH(CH3)2             

1. 2>1>3

2. 1>2>3

3. 2>3>1

4. 1>3>2

Subtopic:  Chemical Properties |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following reactant will not favour SN2 nucleophilic substitution reaction?

1. 

2. Ph-Br

3. CH3-C||CH3CH3-CH2-Br

4. All of the above

Subtopic:  Mechanism of Reactions |
 62%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

NBS(A)CH3SNa(B), Product (B) is:

1.

2.  

3. 

4. None of these

Subtopic:  Mechanism of Reactions |
 60%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

What is the major product of the following reaction?

H2C=CH-CH2-OH excessHBr Product

1.  CH3-CH|Br-CH2-Br

2.  H2C=CH-CH2-Br

3.  CH3-CH|Br-CH2-OH

4.  CH3-CH|OH-CH2-OH

Subtopic:  Mechanism of Reactions |
 66%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

SN1 and SN2 products are the same with (excluding stereoisomer):-

1.  
 2.  
3.  

4. 

Subtopic:  Mechanism of Reactions |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Consider the nucleophilic attacks given below. Select in each pair that shows the greater SN2 reaction rate.

(A)  

(B) H3C-Br+S-H              or      H3C-Br+CH3SH
     (iii)                                                (iv) 

(C)  

(D)  


     A   B    C     D
1.  II   IV   VI   VIII
2.  II   III   V    VIII
3.  I    III   V    VIII
4.  I    III   V    VII 

Subtopic:  Mechanism of Reactions |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints