CH3
           |
CH3CCHCH3
           |       |
          CH3    Br      EtOHA

Major product (A) is:

1. 

2.

3. 

4. 

Subtopic:  Mechanism of Reactions |
 69%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one of the following compound will be least susceptible to elimination of hydrogen bromide ?
(1) Br-CH2-CH2-NO2

(2) Br-CH2-CH2-CH3

(3) Br-CH2-CH2-CN

(4) Br-CH2-CH2-Co2Et

 

Subtopic:  Mechanism of Reactions |
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Two alkenes, X(91% yield) and Y(9% yield) are formed when the following compound is heated.

The structures of X and Y, respectively are:

(1)

(2)

(3)

(4)

Subtopic:  Mechanism of Reactions |
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In the dehydrohalogenation of 2-bromobutane; which conformation leads to the formation of cis-2-butene ?

(1)

(2)

(3)

(4)

Subtopic:  Isomerism & Chirality |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

End product (D) in the given sequence is:

Subtopic:  Mechanism of Reactions |
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CH3-C|Br|Br-C|Br|Br-CH3xNaNH2yCH3lCH3-CC-CC-CH3

x and y mole consumed.

Value of x + y =

1. 5

2. 6

3. 7

4. 8

Subtopic:  Introduction and Physical Properties |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The major product obtained in the reaction of 1-phenyl-2-bromobutane with NaOMe is :

1. trans-1 -phenylbut-1-ene

2. cis-1-phenylbut-2-ene

3. 1-phenyl-2-ethoxybutane

4. cis-1-phenylbut-2-ene

Subtopic:  Introduction and Physical Properties |
From NCERT
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Identify A:-

1. 2.
3. 4.

Subtopic:  Introduction and Physical Properties |
 55%
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Ph-CH-CH2-CH2     Product
      l            l    Zn-Cu
     Br          Br     Δ

Product of the above reaction is:-
(1) Ph-CH=CH-CH2-Br

(2) Ph-◁

(3) PH-CHBr-CH=CH2

(4) Ph-C C-CH3

Subtopic:  Introduction and Physical Properties |
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alc.KOH(A), Product A is:

1. 

2. 

3. 

4. 

Subtopic:  Introduction and Physical Properties |
From NCERT
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