Ph - C CHMeOHMeO- Major product of the reaction is:

(a) 

(b) 

(c) Ph - C C-OMe

(d) 

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 70%
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To carry out above conversion, (A) and (B) respectively, are :

(1) NaNH2, Cl - CH2ーCH- CH- Br

(2) NaNH2, CH2-CH2-CH2-Br

(3) NaNH2, l-CH2ーCH2-CH2-Br

(4) NaNH2, I-CH2-CH2-CH2-I

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 55%
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H-CC-Ph   Product; Product obtained in this reaction is:

(a) Ph-C|I=CH-I

(b) PH-CH|I-CH2-i

(c) Ph-CC-I

(d) I-CC-H

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 54%
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(ii) CH3Br(i) NaNH2.NH2 (A) Lindiar catalystH2 (B) ; Product (B) is :

1.

2.

3.

4. 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

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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NEET 2023 - Target Batch - Aryan Raj Singh

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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NEET 2023 - Target Batch - Aryan Raj Singh

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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