Consider the following sequence of reactions.

NaHSO3OsO4A2. NaOH, heat1. HIO4B. The final product (B) is:

(a) 

(b) 

(c) 

(d) 

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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In the above compound Cl will liberated easily in the form of:

1. Cl

2. Cl-

3. Cl0

4. Cl2+

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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The major product expected from the  mono-bromination of phenyl  benzoate is:

(a) 

(b) 

(c) 

(d) 

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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Deduce structure of (A).

(A) C8H10 KMnO4(B) C8H6O4FeBr2 C8H5BrO4 (C) (one-product only):

 

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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Ph-CO2HSOCl2AMe2NHB(c)Ph-CHO, unknown reagent (c) is:

(a) LiALH4

(b) NaBH4

(c) LiAlH4(t-BuO)3

(d) PCC/CH2CL2

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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AlCl3CH3-C||O-ClA80%triethylene glycol, heatNH2-NH2,NaOHB73%

Product (B) is :

1. 

2. 

3. 

4. 

 

 

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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In the above reaction o/p ratio will be highest when:-
(a) R=-CH3
(b) R=-CH2-CH3
(c) R=-CHMe2
(d) R=-CMe3

Concept Questions :-

Aromatic Hydrocarbons - Functional Groups, Directive Influence in Monosubstituted Benzene
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Cl2(A), Product (A) of this reaction is:

(a) 

(b) 

(c) 

(d) 

 

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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 H2SO4HNO3(A)HClZn(Hg)(B),Product (B) of this reaction is:

(a) 

(b) 

(c) 

(d) 

Concept Questions :-

Aromatic Hydrocarbons - Functional Groups, Directive Influence in Monosubstituted Benzene
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p-Toluidine reacts with benzene diazonium chloride to form compound, which on boiling with aq. H2SO4 give .......... products:
(a) 3
(b) 2
(c) 4
(d) 5

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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Difficulty Level: