The main product A and B in the above mentioned reaction are respectively- 

1. 

2. 

3. 

4. 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 81%
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Consider the following reaction:-

A and B are isomeric compounds. Additionally, A is a monochloro derivative. These two can be differentiated easily by using-

1. AgNO3(aq)

2. Br2/FeCl3

3. Conc.HNO3/Conc.H2SO4

4. NaCl(aq)

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 51%
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Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
a. β-Elimination reaction
b. Follows Zaitsev rule
c. Dehydrohalogenation reaction
d. Dehydration reaction

1. (a), (c), (d) 2. (b), (c), (d)
3. (a), (b), (d) 4. (a), (b), (c)

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism | Aliphatic Hydrocarbon - Methods of Preparation |
 75%
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Which of the following alkane cannot be made in good yield by Wurtz reaction?

1. 2,3-Dimethylbutane 2. n-Heptane
3. n-Butane 4. n-Hexane
Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 75%
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An alkene on ozonolysis gives methanal as one of the products. Its structure is:

1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 84%
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NEET - 2020
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Reactivity of chlorine and bromine towards methane at 275°C differs by a factor nearly

1. 103

2. 104

3. 102

4. >105

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
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An organic molecule necessarily shows optical activity if it -

1. Contains asymmetric carbon atoms

2. Is non-planar

3. Is non-superimposable on its mirror image

4. Is superimposable on its mirror image

Subtopic:  Alkanes, Alkenes and Alkynes - Conformations and Hybridisation |
 66%
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Acetylene and HCHO reaction to the presence of copper acetylide catalyst to form

1. 2-Butyne-1,4-diol

2. But-2-yne-1,2-diol

3. But-1-yne-1,4-diol

4. None of these

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 52%
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On the addition of HBr to propene in the absence of
peroxides,the first step involves the addition of

(1) H+

(2) Br-

(3) H

(4) Br

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
 73%
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When ethyl bromide and n-propyl bromide is allowed
to react with sodium, in ether, they form

(1) mixture of four alkanes

(2) mixture of three alkanes

(3) mixture of two alkanes

(4) single alkane

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 76%
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