With increase of temperature, which of these changes?

Molality

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Weight fraction of solute

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Molarity

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Mole fraction

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Solution

The correct option is C Molarity
On increasing temperature weight doesnot changes, hence molality, weight fraction of solute and mole fraction does not changes, as they entirely depend upon the weight of solute/solvent.
Molarity changes with temperature as it's directly proportional to moles of solute and inveresly proportional to volume of solution. On increasing the temperature, Volume of solution increases and hence with the increase in temperature the molarity of solution decreases .

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Similar questions

Q. With increase of temperature, which of these changes

Q. Assertion (A): On increasing the temperature, the milli-moles of solute, milli-equivalent of solute, molality, mole fraction of solute and % by weight does not change.
Reason (R): Each of these involves only weights of solute and solvent.

Q. Assertion (A): Molality of solution does not change with change in temperature.
Reason (R): Molality is defined as no. of moles of solute per kg of solvent. Which of the following is correct?

Q. Assertion :The molality of the solution does not change with change in temperature. Reason: The molality is expressed in units of moles per

1000 g

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Volume of a solution changes with change in temperature, then what will the molality of the solution be affected by temperature ? Give reason for your answer.

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