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19.5 g of CH 2 FCOOH is dissolved in 500 g of water. The depression in the freezing point of water observed is 1.00 C. Calculate the van’t Hoff factor and dissociation constant of fluoroacetic acid.

Options

  1. Ai = 2.1352 , K a = 3.07 × 10 -3
  2. Bi = 1.0753 , K a = 3.07 × 10 -3
  3. Ci = 1.0753 , K a = 4.56 × 10 -3
  4. Di = 2.1352 , K a = 4.56 × 10 -3

Correct answer

B. i = 1.0753 , K a = 3.07 × 10 -3

Step-by-step solution

Correct Option is : (B) i = 1.0753 , K a = 3.07 × 10 -3

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