Major product of the reaction is:

1.

2. 

3. 

4. Ph-CH-CH-Ph
||
CH3OH

Subtopic:  Mechanism of Reactions |
 62%
Level 2: 60%+
Hints

Product obtained in above reactions (1), (2) & (3) is:
(a) A = B, C is different
(b) A = C, B is different
(c) B = C, A is different
(d) A = B = C is same

Subtopic:  Mechanism of Reactions |
 55%
Level 3: 35%-60%
Hints

 CH3
|
CH3—C—CH—CH3
||
CH3Br  →∆EtOHA


Major product (A) is:

1. 

2.

3. 

4. 

Subtopic:  Mechanism of Reactions |
 70%
Level 2: 60%+
Hints

advertisementadvertisement

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 |
 50%
Level 3: 35%-60%
Hints

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 |
Level 3: 35%-60%
Hints

In the dehydrohalogenation of 2-bromobutane; which conformation leads to the formation of cis-2-butene ?

(1)

(2)

(3)

(4)

Subtopic:  Isomerism & Chirality |
Level 3: 35%-60%
Hints

advertisementadvertisement

End product (D) in the given sequence is:

Subtopic:  Mechanism of Reactions |
Level 3: 35%-60%
Hints

Find the total number of moles (x + y) of NaNH₂ and CH₃I required, respectively,
to carry out the following conversion, as represented in the given reaction.

CH₃–CBr₂–CBr₂–CH₃ → CH₃–C≡C–C≡C–CH₃

Reagents: x mol NaNH₂ and y mol CH₃I

 1. 5 moles
 2. 6 moles
 3. 7 moles
 4. 8 moles

Subtopic:  Introduction and Physical Properties |
Level 3: 35%-60%
Hints

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 |
Level 3: 35%-60%
Hints

advertisementadvertisement


Identify A:-

1. 2.
3. 4.

Subtopic:  Introduction and Physical Properties |
 56%
Level 3: 35%-60%
Hints