The –OH group of an alcohol or the carboxylic acid can be replaced by – Cl using: 

1. Hypochlorous acid 2. Chlorine
3. Hydrochloric acid 4. Phosphorous pentachloride

Subtopic:  Chemical Properties |
 73%
From NCERT
AIPMT - 2004
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Chloropicrin is obtained by the reaction of: 

1. Nitric acid on chlorobenzene.

2. Chlorine on picric acid.

3. Nitric acid on chloroform.

4. Steam on carbon tetrachloride.

Subtopic:  Chemical Properties |
AIPMT - 2004
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Given below is a reaction sequence:
\(\begin{aligned} & CH_3CH_2Cl\xrightarrow{NaCN}X\xrightarrow{H_2/Ni}Y\\ &Y\xrightarrow{\text{Acetic Anhydride}}Z \end{aligned}\)

Z in the above reaction is:

1. CH3CH2CH2NHCOCH3

2. CH3CH2CH2NH2

3. CH3CH2CH2CONHCH3

4. CH3CH2CH2CONHCOCH3

Subtopic:  Chemical Properties |
 73%
From NCERT
AIPMT - 2002
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

 \(CH_3CH_2CHCl_2\) upon reaction with \(NaNH_2\)gives:

1. 2.
3. 4.

Subtopic:  Chemical Properties |
 64%
From NCERT
AIPMT - 2002
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh


obtained by chlorination of n-butane, will be:
1.  Meso form
2.  Racemic mixture
3.  d-form
4.  l-form

Subtopic:  Isomerism & Chirality |
 85%
From NCERT
AIPMT - 2001
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

An organic compound A(C4H9Cl) in reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative. A is:

1. t-butyl chloride
2. sec. butyl chloride
3. Iso butyl chloride
4. n-butyl chloride

Subtopic:  Chemical Properties |
 70%
From NCERT
AIPMT - 2001
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Wurtz reaction is not preferred for the preparation of alkanes containing an odd number of carbon atoms because:

1. Boiling points of alkanes obtained in the mixture are very close.
2. Melting points of alkanes obtained in the mixture are very close.
3. Lattice energy of alkanes obtained in the mixture are very close.
4. None of the above.
Subtopic:  Mechanism of Reactions | Chemical Properties |
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

A hydrocarbon C5H10 does not react with chlorine in the dark but gives a single monochloro compound C5H9Cl in bright sunlight. Hydrocarbon could be:

1. Benzene 2. Cyclopentane
3. Toluene 4. Hexane
Subtopic:  Mechanism of Reactions | Chemical Properties |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

a. CH3Br or CH3I  
b. (CH3)3CCl or CH3Cl

The above-mentioned compounds that react faster in S N2 reaction with OH- from each given pair respectively are:
1. CH3Br, CH3I
2. CH3Br, (CH3)3CCl
3. CH3I, CH3Cl
4. CH3I, (CH3)3CCl

Subtopic:  Chemical Properties |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Out of C6H5CH2Cl and C6H5CHClC6H5, the one that gets easily hydrolyzed by aqueous KOH is :

1. C6H5CHClC6H5 

2. C6H5CH2Cl

3. Both react equally

4. None of the above

Subtopic:  Mechanism of Reactions |
 56%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh