Liq. NH3Na AZnO3BPh3P=CH22moleC

Product (C) of the above reaction is :

(a) 1,3-Hexadiene
(b) 1,4-Pentadiene
(c) 1,3-Butadiene
(d) 1,3-Heptadiene

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 53%
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To achieve above conversion, the reagents used will be:

(a) O3/H2O2, HO-/                               

(b) HBr, alc. KOH, O3, LiAlH4, H+/

(c)  HBr, t-BuOK, O3, KMnO4

(d)  HBr, alc. KOH, O3, KMnO4

 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 63%
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0°CPCl5A70-80%(2) H(1) 3NaNH2, mineral oilB46%; Product (B) is:

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation | Alkanes, Alkenes and Alkynes - Chemical Properties |
 64%
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Product (K) of the above reaction is:

1. 

2. 
3. 

4. 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 59%
From NCERT
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CH3-CH2-CH2-CCH+LiHN2(A)(CH3)2SO4(B)

Give the structural formula of compound (B):

(a) CH3-(CH2)2-CC-SO3H

(b) CH3-(CH2)2-CC-CH3

(c)  CH3-(CH2)2-CC-CH2-O-OsO-H

(d) CH3-CH2-CC-CH2

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 51%
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The reagents used for the following conversion is/are-

 

1. (i) NaNH2 , (ii) CH3CHO
2. (i) NaNH2 , (ii) CH3-CH2-CH2-Br
3. (i) KOH, (ii) CH3-CH2-CH2-Br
4. (i) KOH, (ii) 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 81%
From NCERT
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Which alkyne will give 3-ethylhexane on catalytic hydrogenation?

1. 
2. 
3. 
4. All of the above

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 65%
From NCERT
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Br-(CH2)12-CCH NaNH2 (A) CatalystLindlar (B); Product (B) is :
1.

2.  
3. 

4. Br-(CH2)12-CH=CH  

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 63%
From NCERT
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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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