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Question: Answered & Verified by Expert
0.6 mL of acetic acid (CH3COOH), having density 1.06 g mL–1, is dissolved in 1 litre of water. The depression in freezing point observed for this strength of acid was 0.0205°C. What are the van’t Hoff factor and the dissociation constant of acid?
ChemistrySolutionsNEET
Options:
  • A Vant Hoff factor is 0.098 and Dissociation constant of acid is 3.54× 10–5
  • B Vant Hoff factor is 0.098 and Dissociation constant of acid is 1.86 × 10–5
  • C Vant Hoff factor is 1.041 and Dissociation constant of acid is 3.54 × 10–5
  • D Vant Hoff factor is 1.041 and Dissociation constant of acid is 1.86 × 10–5
Solution:
1336 Upvotes Verified Answer
The correct answer is: Vant Hoff factor is 1.041 and Dissociation constant of acid is 1.86 × 10–5
Correct Option is : (D)
Vant Hoff factor is 1.041 and Dissociation constant of acid is 1.86 × 10–5

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