Columns 1, 2 and 3 contain starting materials, reaction conditions and type of reactions respectively.…

Columns 1, 2 and 3 contain starting materials, reaction conditions and type of reactions respectively.
Column 1 Column 2 Column 3
(I) Toulene (i) NaOH/Br2 (P) Condensation
(II) Acetophenone (ii) Br2/hv (Q) Carboxylation
(III) Benzaldehyde (iii) CH3CO2O/CH3COOK (R) Substitution
(IV) Phenol (iv) NaOH/CO2 (S) Haloform
The only CORRECT combination that gives two different carboxylic acids is
  1. (III) (iii) (P)
  2. (I) (i) (S)
  3. (II) (iv) (R)
  4. IViiiQ

Asked in: JEE Advanced 2017 (Paper 1)

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