Q 2988423307.     The reaction of compound P with `CH_3 MgBr` (excess) in `(C_2H_5)_2 O` followed by addition of `H_2O` gives Q. The compound Q on treatment with `H_2SO_4` at 0ºC gives R. The reaction of R with `CH_3 COCl` in the presence of anhydrous `AlCl_3` in `CH_2Cl_2` followed by treatment with `H_ 2O` produces compound S. [Et in compound P is ethyl group]
The reactions, Q to R and R to S, are

JEE 2017 Advanced Paper 2
A

Dehydration and Friedel-Crafts acylation

B

Friedel-Crafts alkylation, dehydration and Friedel-Crafts acylation

C

Friedel-Crafts alkylation and Friedel-Crafts acylation

D

Aromatic sulfonation and Friedel-Crafts acylation

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