(ii) CH3Br(i) NaNH2.NH2 (A) Lindiar catalystH2 (B) ; Product (B) is :

1.

2.

3.

4. 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 70%
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A compound that gives an optically inactive compound on treatment with H2(2 moles)/ Pt is-

1. 3-Methyl-1-pentyne

2. 4-Methyl-1-hexyne

3. 3-Methyl-1-heptyne

4. None of the above

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 62%
From NCERT
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Compound (x) will be:

(a) 

(b) 

(c) 

(d) 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation | Alkanes, Alkenes and Alkynes - Chemical Properties |
 56%
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Which alkyne yields butanoic acid (CH3CH2CH2CO2H) as the only organic product on treatment with ozone followed by the hydrolysis?

1. 1-Butyne             

2. 4-Octyne               

3. 1-Pentyne               

4. 2-Hexyne

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 63%
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The degree of unsaturation in compound (A) is -

(1) 7                       

(2) 8                       

(3) 9                             

(4) 10

 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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For the given compounds, the correct order of rate of EASR (electrophilic aromatic substitution reaction) is:

1. 2.
3. 4.

1. c > b > a > d

2. c > d > a > b

3. a > b > c > d

4. c> d> b > a

Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
 74%
From NCERT
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The major product formed in the reaction is:

  

1. 
2. 
3. 
4. 

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 58%
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Rank the following reactions A, B and C in order of increasing rate,

(A) 
(B)
(C)

1. B>A>C
2. B>C>A
3. A>B>C
4. A>C>B

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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Identify the position where E.A.S. can take place.
1. 1
2. 2
4. 3
4. 4

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions | Aromatic Hydrocarbons - Reactions & Mechanism |
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The rate of nitration will be:

(a) a>b>c

(b) a>c>b

(c) a=b=c

(d) c>a>b

 

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions | Aromatic Hydrocarbons - Reactions & Mechanism |
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NEET 2023 - Target Batch - Aryan Raj Singh
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