Which of the following compounds is the most reactive towards sulphonation?

1. Toluene               

2. Chlorobenzene

3. Nitrobenzene       

4. m-Xylene

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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Given the following reaction: 
  
Product P formed in the above reaction is:
 

1.  2. 
3.  4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 51%
From NCERT
NEET - 2016
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What is the minimum number of carbon atoms required for an alkane to have isomers?

1. One                               
2. Two
3. Four                                 
4. Three

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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Which of the following statement is correct?

1. Alkyne is more reactive towards electrophilic addition than alkene
2. Addition of HBr to an unsymmetrical alkene takes place according to anti-Markownikoff's rule
3. CH3C+HCH3 is more stable than CH3CH2C+HCH3
4. All of the above
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
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The correct order of melting point is:

1.  n-Pentane > Neopentane > Isopentane

2.  Neopentane > n-Pentane > isopentane

3.  Neopentane > Isopentane > n-Pentane

4.  Isopentane > Neopentane > n-Pentane

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
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The major product expected from the mono-bromination of phenyl benzoate is:

1.
2.
3.
4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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Which of the following alkanes will give the maximum number of isomers when a monochloro-substituted product is obtained?

1. 2.
3.
\(\mathrm{CH_4}\)
4.

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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How many structural isomers of C₅H₁₀ are possible if cyclic structures are excluded?

1. 6

2. 4

3. 5

4. 7

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
 52%
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The major product of the following reaction is:

1.  2. 
3.  4. 
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
JEE
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What specific reagents are used to convert dibromoethane into benzene?

1. (a) NaOH; (b) NaNH2; (c) Red hot iron tube at 873 K
2. (a) HBr; (b) NaNH2 ; (c) KMnO4
3. (a) alc.KOH; (b) NaNH2 ; (c) H2/Pd
4. None of the above
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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