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Question

Columns 1, 2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively:
Column 1Column 2Column 3(I) Toluene(i) NaOH/Br2(P) Condensation(II) Acetophenone(ii) Br2/hv(Q) Carboxylation(III) Benzaldehyde(iii) (CH3CO)2O/CH3COOK(R) Substitution(IV) Phenol(iv) NaOH/CO2(S) HaloformThe only CORRECT combination that gives two different carboxylic acids is:

A
(IV) (iii) (Q)
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B
(III) (iii) (P)
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C
(II) (iv) (R)
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D
(I) (i) (S)
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Solution

The correct option is B (III) (iii) (P)

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