The compound that will undergo \(S_N~^1\) reaction with the fastest rate is: 
1. 2.
3. 4.
Subtopic:  Mechanism of Reactions |
 66%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.

Major products A and B formed in the following reaction sequence, are 


 
1.
2.
3.
4.

 
Subtopic:  Chemical Properties |
 62%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.

\(\text{CCl}_2\text{F}_2\)is one of the most common haloalkanes used in industries. The reaction through which it is manufactured from tetrachloromethane is called:

1. Finkelstein reaction
2. Sandmeyer's reaction
3. Swarts reaction
4. Wurtz-Fittig reaction
Subtopic:  Chemical Properties |
 77%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Which of the following is the most preferred method for preparing pure alkyl chlorides from alcohols?

1. \(\mathrm{R}-\mathrm{OH}+\mathrm{HCl} \xrightarrow{\mathrm{ZnCl}_2} \mathrm{R}-\mathrm{Cl}+\mathrm{H}_2 \mathrm{O}\)
2. \(\mathrm{R}-\mathrm{OH}+\mathrm{PCl}_5 \rightarrow \mathrm{R}-\mathrm{Cl}+\mathrm{POCl}_3+\mathrm{HCl}\)
3. \(\mathrm{R}-\mathrm{OH}+\mathrm{SOCl}_2 \rightarrow \mathrm{R}-\mathrm{Cl}+\mathrm{SO}_2+\mathrm{HCl}\)
4. \(\mathrm{R}-\mathrm{OH}+\mathrm{PCl}_3 \rightarrow \mathrm{R}-\mathrm{Cl}+\mathrm{H}_3 \mathrm{PO}_3\)
Subtopic:  Introduction and Physical Properties |
 85%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.

The major product C in the below-mentioned reaction is: 
 
1. Propan-1-ol 2. Propan-2-ol
3. Propane 4. Propyne
Subtopic:  Mechanism of Reactions |
 76%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.

The following compound would be classified as:

1. Vinylic halide 2. Benzylic halide
3. Aryl halide 4. Allylic halide
Subtopic:  Introduction and Physical Properties |
 67%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

The correct order for the rate of \(\alpha\) , \(\beta\)-dehydrohalogenation for the following compounds is:
(i)  (ii) 
(iii) 
 
1. (i) < (ii) < (iii) 2. (ii) < (i) < (iii)
3. (iii) < (ii) < (i) 4. (ii) < (iii) < (i)
Subtopic:  Chemical Properties |
 52%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

A reaction among the following can generate isonitriles as a major product.

A. \(R-X + HCN \rightarrow \)
B. \(R-X + AgCN \rightarrow \)
C. \(R-X + KCN \rightarrow \)
D. \(R-X + NaCN \xrightarrow [C_2H_5OH] {H_2O} \) 

Choose the most appropriate answer from the options given below: 
1. (D) only  2. (C) and (D) only  
3. (B) only  4. (A) and (B) only 
Subtopic:  Chemical Properties |
 73%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

Identify 'X' in the following reaction.
1. 2.
3. 4.
Subtopic:  Chemical Properties |
 56%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Which of the following is suitable to synthesize chlorobenzene?
1.
2. Benzene, Cl2, anhydrous FeCl3
3. Phenol, NaNO2, HCl, CuCl
4.
Subtopic:  Haloarenes: Directive Influence of Halogen |
 70%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch