Cryoscopic or ebullioscopic constant from measured data
This type of question, asked 7 times: 9 May 2023 S1, 9 May 2024 S2, 11 May 2024 S2, 19 Apr 2025 S2, 26 Apr 2025 S2, 15 Apr 2026 S2, 17 Apr 2026 S2. All 7 questions below, oldest first.
Try each one first, then open its answer.
Question 1
9 May 2023 S1
58Calculate the cryoscopic constant of solvent when 2.5 gram solute is dissolved in 35 gram solvent lowers its freezing point by 3 K. (molar mass of solute is )Tap an option to check your answer.
Question 2
9 May 2024 S2
58A solution of nonvolatile solute is obtained by dissolving 1 g in 100 g solvent, decreases its freezing point by 0.3 K. Calculate cryoscopic constant of solvent if molar mass of solute is 60 g mol.Tap an option to check your answer.
Question 3
11 May 2024 S2
69A solution of nonvolatile solute is obtained by dissolving 1.5 g in 30 g solvent has boiling point elevation 0.65 K. Calculate the molal elevation constant if molar mass of solute is .Tap an option to check your answer.
Question 4
19 Apr 2025 S2
75Calculate the molal elevation constant of solvent if boiling point of 0.12 m solution is 319.8 K (Boiling point of solvent )Tap an option to check your answer.
Question 5
26 Apr 2025 S2
56Calculate cryoscopic constant of solvent if depression in freezing point of 0.18 m solution of nonvolatile solute is 0.2 KTap an option to check your answer.
Question 6
15 Apr 2026 S2
22If a 0.4 molal solution of a nonvolatile solute in organic solvent decreases its freezing point by 2.4 K., then the molal depression constant of solvent will beTap an option to check your answer.
Question 7
17 Apr 2026 S2
23Calculate the cryoscopic constant of a solvent if depression in freezing point of m solution of nonelectrolyte is KTap an option to check your answer.