2, 3-dimethyl-2-butene can be prepared by heating which of the following compounds

with a strong acid?

1. 

2. (CH3)3C-CH=CH2

3. (CH3)2C=CH-CH2-CH3

4. (CH3)2CH-CH2-CH=CH2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
NEET - 2015
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The oxidation of benzene by V2O5 in the presence of air produces:

1. Benzoic anhydride 2. Maleic anhydride
3. Benzoic acid 4. Benzaldehyde
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 51%
NEET - 2015
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The products that formed when the following compound is treated with Br2 in the presence of FeBr3 are:

1.
2.
3.
4.
Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
 66%
From NCERT
NEET - 2014
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Identity Z in the sequence of reactions,
                          HBr/H2O2 
CH3CH2CH=CH2    →        Y    +   C2H5O-Na+→   Z
 
1. CH3-(CH2)3-O-CH2CH3

2. (CH3)2CH2-O-CH2CH3

3. CH3(CH2)4-O-CH3

4. CH3CH2-CH(CH3)-O-CH2CH3                  

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 68%
From NCERT
NEET - 2014
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Which of the following organic compounds has same hybridisation as its combustion product -(CO2)?

1. Ethane

2. Ethyne

3. Ethene

4. Ethanol

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation | Alkanes, Alkenes and Alkynes - Chemical Properties |
 73%
From NCERT
NEET - 2014
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A compound among the following that does not undergo Friedel-Craft's reaction easily is-

1. Cumene               

2.  Xylene

3. Nitrobenzene         

4. Toluene

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation | Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 74%
From NCERT
NEET - 2013
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In the following reaction, What will be the major product?

1. 

2.  

3. 

4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 80%
From NCERT
NEET - 2012
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In the following reactions:-

the major products (A) and (C) are respectively

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 76%
From NCERT
NEET - 2011
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Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by:-

1. oxidation

2. cracking

3. distillation under reduced pressure

4. hydrolysis

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 69%
From NCERT
NEET - 2010
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Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc.

H2SO4. In the mixture, nitric acid acts as a/an-

1. Reducing agent

2. Acid

3. Base

4. Catalyst

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 64%
From NCERT
NEET - 2009
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