The action of AlCl3 in Friedel Craft's reaction is:
(a) to absorb HCl
(b) to release HCl
(c) to produce eleçtrophile
(d) to produce nucleophile

 

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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n-Butylbenzene on oxidation with hot alkaline KMnO4 gives:-
(a) benzoic acid
(b) butanoic acid
(c) benzyl alcohol
(d) benzaldehyde

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Which one of the following compounds undergoes bromination of its aromatic ring (electrophilic aromatic substitution) at the fastest rate?

Concept Questions :-

Aromatic Hydrocarbons - Functional Groups, Directive Influence in Monosubstituted Benzene
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Consider the following sequence of reactions.

C6H6 + CH3CH=CH2heatH3PO4A2.H3O+, heat1.O2,HeatB+C

The products (B) and (C) are
(a) benzaldehyde and acetaldehyde
(b) benzoic acid and acetic acid
(c) phenol and propionaldehyde
(d) phenol and acetone

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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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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