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Question:

For the synthesis of benzoic acid, the only correct combination is: (I) (iv) (Q) (III) (iv) (R) (IV) (ii) (P) (II) (i) (S)

(I) (iv) (Q)

(IV) (ii) (P)

(II) (i) (S)

(III) (iv) (R)

Solution:

For the synthesis of benzoic acid, the only CORRECT combination is (II) Acetophenone (i)NaOH/Br2(S) Haloform reaction. Acetophenone reacts with NaOH/Br2 to undergo a haloform reaction, producing sodium benzoate. Acidification of sodium benzoate yields benzoic acid.