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A sample of water is found to contain 5.85% \((\frac{w}{w})\) of AB (molecular mass 58.5) and 9.50% \((\frac{w}{w})\) XY2 (molecular mass 95). Assuming 80% ionisation of AB and 60% ionisation of XY2 , the freezing point of water sample is
[Given : Kf for water 1.86 K kg mol-1 , Freezing point of pure water is 273 K and A, B and Y are monovalent ions]
A sample of water is found to contain 5.85% \((\frac{w}{w})\) of AB (molecular mass 58.5) and 9.50% \((\frac{w}{w})\) XY2 (molecular mass 95). Assuming 80% ionisation of AB and 60% ionisation of XY2 , the freezing point of water sample is
[Given : Kf for water 1.86 K kg mol-1 , Freezing point of pure water is 273 K and A, B and Y are monovalent ions]
[Given : Kf for water 1.86 K kg mol-1 , Freezing point of pure water is 273 K and A, B and Y are monovalent ions]
Updated On: Nov 7, 2024
- 264.25 K
- 265.56 K
- 280.44 K
- 281.75 K
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The Correct Option is A
Solution and Explanation
The correct answer is (A) : 264.25 K.
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