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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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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Among the following, the compound which contains the fewest tertiary carbons is:  
1. \((CH_3)_3C(CH_2)_2CH_3~~~~~~~~~~~~~\)
2. 4-isobutyl heptane
3.
4.
Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
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The correct statement(s) among the following  is/are:
(A)  The boiling point of 2-methylbutane is greater than n-pentane.
(B)  Petrol and lower fractions of petroleum are used for dry cleaning of clothes to remove grease stains.
(C)  The melting point of 2,2-Dimethylpropane is greater than n-pentane.


1. (B) only
2. (C) only
3. (B) and (C) only
4. (A), (B), and (C)
Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
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Find out the correct statement:
A. The number of possible theoretical conformations of ethane is 6. 
B. In the conformations of ethane, the staggered form has the least torsional strain, and the eclipsed form has the maximum torsional strain.
C. Hückel Rule: The presence of (4n + 2) π electrons in the ring where n is an integer (n = 1, 2, ......).  
1. Only B is correct.
2. A and C.
3. B and C.
4. Only A is correct.
Subtopic:  Aliphatic Hydrocarbon- Physical Properties | Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
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Cyclohexene on ozonolysis by reaction with zinc dust and water gives compound E. Compound E on further treatment with aqueous \(KOH\) yields compound F. Compound F is: 
1.  2. 
3.  4. 
Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
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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 |
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Which of the following reactions gives a meso-compound as the main product?  
a. 
b. 
c. 
d. 

1. a, b
2. b, c
3. c, d
4. None of the above
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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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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Compound 'A' in the reaction below, possibly, is:

1. 2.
3. 4. Both (1) and (2)
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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