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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY
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Medium
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Understanding
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Statement I: The molality of the solution does not change with temperature.
Statement II: The molality is expressed in the unit of of solvent.
Statement II: The molality is expressed in the unit of of solvent.
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Correct option: B
Statement I is true; Statement II is true Statement II is not the correct explanation of Statement I
Option B (Statement I is true; Statement II is true Statement II is not the correct explanation of Statement I) is correct because molality is defined as moles of solute per kg of solvent, which is mass-based and thus independent of temperature, but this definition doesn't explain the temperature independence.
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