CH3Cl          CH4

Above conversion can be achieved by:

1. Zn/H+

2. LiAlH4

3. Mg /(ether) then H2O

4. All of these

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 74%
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Product (P) in the above-mentioned reaction is:-  

1. 2.
3. 4. Both (2) & (3)
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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(A) H2(1mole)/Pt

The double bond equivalent (degree of unsaturation) of (A) is:

1.  1                 

2. 2               

3. 3                 

4. 4

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Ethane is subjected to combustion process. During the combustion the hybrid state of carbon changes from:-

(1) sp2 to sp3

(2) sp3 to sp

(3) sp to sp3

(4) sp2 to sp2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 84%
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The above reaction is an example of:-

1. isomerization

2. polymerization

3. cracking

4. de-hydrogenation

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
 80%
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(I)  

(II)  

(II)  
Arrange the compounds I, II and III in decreasing order of their heats of combustion:-
(a) II>I>III
(b) I>II>III
(c) III>II>I
(d) III>I>II

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 62%
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(I)  

(II) 

(III)  

The correct order of reactivity of I,II and III towards addition reactions is:

(1) I>III>II                 

(2) I>II>III             

(3) III>II>I               

(4) III>I>II

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 54%
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Which of the following reactants is suitable for the preparation of methane and ethane by using one-step only?

1.  H2C = CH2

2. CH3OH

3. CH3-Br

4. CH3-CH2-OH

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 67%
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 Br2/hv Monobromo derivatives

The number of possible monobromo products is (excluding stereoisomers):

1.  4     
2.  5 
3.  8
4.  10

Subtopic:  Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
 68%
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On catalytic reduction by one mole  H2/Pt ,how many alkenes will give n-butane?
(a)1
(b)2
(c)3
(d)4

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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