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

1.
2.
3.
4.

The major product obtained in the given reaction is:

1.		2.
3.		4.

The action of AlCl₃ in Friedel Craft's reaction is:

1. To absorb HCl

2. To release HCl

3. To produce an eleçtrophile

4. To produce nucleophile

$\mathrm{Benzene}+{\mathrm{CH}}_3\mathrm{Cl}\stackrel{{\mathrm{AlCl}}_3}{\to } {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_3$

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

The reactants used in Friedel-Craft's alkylation are:                          

1. C₆H₆ + NH₂

2. C₆H₆ + CH₄

3. C₆H₆ + CH₃Cl

4. C₆H₆ + CH₃COCl

n-Butylbenzene on oxidation with hot alkaline KMnO₄ gives:

In the above compound, Cl will liberate easily in the form of-

1. ${\mathrm{Cl}}^{\oplus }$

2. Cl^-

3. Cl

4. Cl²⁺

A compound among the following that does not undergo Friedel-Craft's reaction easily is-

1. Cumene               

2.  Xylene

3. Nitrobenzene         

4. Toluene

 The compounds among the following that can be generated by Friedel craft acylation is/are -

I.
II.
III.
IV.

The reaction of toluene with chlorine in the presence of light gives:

1.		2.
3.		4.