P, Q and R in the above-mentioned sequence of reactions are respectively:

1.
2.
3.
4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The major product obtained in the given reaction is:

  

1. 2.
3. 4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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What is the role of AlCl₃ in a Friedel-Crafts reaction?

1. Absorbs HCl
2. Releases HCl
3. Generates an electrophile
4. Generates a nucleophile

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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Benzene+CH3ClAlCl3 C6H5CH3

The mechanism & intermediate involved in the above reaction are:

1. Aromatic electrophilic substitution & carbocation

2. Aromatic Nucleophilic substitution & carbanion

3. Aromatic free radical substitution & Free radical

4. Carbene based substitution reaction & Carbene

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The reactants used in Friedel-Craft's alkylation are:                          

1. C6H6 + NH2

2. C6H6 + CH4

3. C6H6 + CH3Cl

4. C6H6 + CH3COCl

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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n-Butylbenzene on oxidation with hot alkaline KMnO4 gives:

1. Benzoic acid 2. Butanoic acid
3. Benzyl alcohol 4. Benzaldehyde
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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In the above compound, Cl will liberate easily in the form of-

1. Cl

2. Cl-

3. Cl

4. Cl2+

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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A compound among the following that does not undergo Friedel-Craft's reaction easily is-

1. Cumene               

2.  Xylene

3. Nitrobenzene         

4. Toluene

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation | Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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 The compounds among the following that can be generated by Friedel craft acylation is/are -

I.
II.
III.
IV.
 
1. II, III and IV 2. I, III and IV
3. I and II 4. II and III
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The reaction of toluene with chlorine in the presence of light gives:

1. 2.
3. 4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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