In the given reaction

 

N2 gasCH2N2/

The product will be:

1. 

2. 

3. Mixture of 1 and 2 

4. CH3-CH2-CH2-CH2-CH3

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

Which compound is least reactive for nucleophilic addition reaction?

(1) C6H5CHO

(2) C6H5-C||O-CH3

(3) C6H5-C||O-C6H5

(4) CH3-C||O-CH3

Subtopic:  Addition Reaction of C=N, C=0 |
 60%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Arrange the reactivity of given carbonyl compounds in decreasing order for addition reaction:

(i) CH2Br-CHO

(ii) CH2Cl-CHO

(iii) CH2I-CHO

(iv) CH3-CHO

Select the correct answer from the codes given below:

Codes:

(1) (iv), (iii), (ii), (i)

(2) (ii), (i), (iii), (iv)

(3) (ii), (i), (iv), (iii)

(4) (i), (ii), (iii), (iv)

Subtopic:  Directive Effect of functional grp |
 65%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Arrange the reactivity of the given compounds in decreasing order for addition followed by elimination reaction:

(i) p-Cl-C6H4-CHO

(ii) p-Br-C6H4-CHO

(iii) p-F-C6H4-CHO

(iv) p-I-C6H4-CHO

Select the correct answer from the codes given below:

Codes:

(1) (i), (iii), (ii), (iv)

(2) (i), (iii), (iv), (ii)

(3) (iii), (i), (iv), (ii)

(4) (iii), (i), (ii), (iv)

Subtopic:  Directive Effect of functional grp |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which compound will form Schiff base with carbonyl compounds?

(1) p-amines 

(2) sec-amines

(3) bydroxylamine

(4) Hydrazine

Subtopic:  Reagents |
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

Gem di-ether is obtained by:

(i) aldehyde, alcohol, H

(ii) ketone, alcohol, H

(iii) ketone, alcohol, OH

(iv) aldehyde, alcohol, OH

Select the correct answer from the codes given below:

Codes:

(1) (i), (ii), (iii) and (iv)

(2) (i), (ii) and (iv)

(3) (iii) and (iv)

(4) (i) and (ii)

Subtopic:  SN1 & SN2 Reactions | Reactions in Ether & Alcohol |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which among the following compounds will give addition reaction with water?

(i) CH3-CH=CH2

(ii) CH3-CCH

(iii) CCl3-CHO

(iv) CH3-CHO

Select the correct answer from the codes given below:

Codes:

(1) (i), (ii), (iii)

(2) (i) and (ii)

(3) (i), (ii), (iv)

(4) only (iii)

Subtopic:  Addition Reaction of C=N, C=0 |
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 among the following compounds is used for protection of carbonyl groups?

1. HCN

2. CH3OH

3. 

4.  C2H5OH

Subtopic:  Addition Reaction of C=N, C=0 |
 63%
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

In the given reaction,

CH3-CN H2O/(A)H2O/H/(B)

(A) and (B) respectively are:

(1)           O
          
CH3-C-NH2 and CH3COOH

(2) CH3COONH4 and CH3COOH

(3) CH3CONH2 and CH3COONH4

(4) CH3-CH=NH and CH3COOH

Subtopic:  SN1 & SN2 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

Which among the following compounds will give nucleophilic addition reaction?

(1)            O
           
C6H5-C-Cl

(2)          O       
         
CH3-C-NH2

(3)

 

(4)          O
         
CH3-C-OC2H5

Subtopic:  Addition Reaction of C=N, C=0 |
 54%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints