Solved: CHEMISTRY Question for NEET

NEET CHEMISTRYMedium

Match the compounds given in List-I with List-II and select the suitable option from the code given below:

List-I (A) Benzaldehyde (B) Phthalic anhydride (C) Phenyl benzoate (D) Methyl salicylate

List-II (i) Phenolphthalein (ii) Benzoin condensation (iii) Oil of wintergreen (iv) Fries rearrangement

(A)-(ii), (B)-(i), (C)-(iv), (D)-(iii)

(A)-(iv), (B)-(i), (C)-(iii), (D)-(ii)

(A)-(iv), (B)-(ii), (C)-(iii), (D)-(i)

(A)-(ii), (B)-(iii), (C)-(iv), (D)-(i)

Benzaldehyde (A): Undergoes Benzoin condensation when heated with ethanolic potassium cyanide (KCN) to form benzoin. Matches with (ii).
Phthalic anhydride (B): Condenses with phenol in the presence of concentrated sulphuric acid to form Phenolphthalein, a common acid-base indicator. Matches with (i).
Phenyl benzoate (C): Undergoes Fries rearrangement in the presence of anhydrous aluminum chloride ( $AlCl_3$ ) to form ortho- and para-hydroxybenzophenones. Matches with (iv).
Methyl salicylate (D): Is an ester commonly known as Oil of wintergreen, used in perfumery and medicine. Matches with (iii).

Therefore, the correct sequence is (A)-(ii), (B)-(i), (C)-(iv), (D)-(iii).

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