Verified Solution • 2025–26 Session moderate

QAIPM-2011-Ch-1792: NEET 2011 Chemistry - Class 12 AIPM-2011-Ch-1792 Solution: A 0.1 molal aqueous solution of a weak acid is 30% ionized. If…

A 0.1 molal aqueous solution of a weak acid is 30% ionized. If KfK_f for water is 1.86∘C/m1.86^\circ C/m the freezing point of the solution will be −0.18∘C-0.18^\circ C −0.54∘C-0.54^\circ C −0.36∘C-0.36^\circ C −0.24∘C-0.24^\circ C

Multiple Choice Options

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

Step-by-Step Verified Solution

(A) Benzaldehyde          (ii) Benzoin condensation (B) Phthalic anhydride    (i) Phenolphthalein (C) Phenyl benzoate       (iv) Fries rearrangement (D) methyl salicylate      (iii) Oil of wintergreen

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