Q.

Assertion (A): The boiling point of 0.1 M urea solution is more than that of 0.1M KCl solution.
Reason (R): Elevation of the boiling point depends on the chemical nature and  the number of moles of non-volatile solute particles present in the solution.

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a

If both (A) and (R) are true and (R) is not the correct explanation of (A) 

 

b

If both (A) and (R) are false

c

If both (A) and (R) are true and (R) is the correct explanation of (A) 

 

d

If (A) is true but (R) is false 

 

answer is D.

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Detailed Solution

The boiling point of 0.1 M urea solution is less than that of 0.1M KCl solution.

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Assertion (A): The boiling point of 0.1 M urea solution is more than that of 0.1M KCl solution.Reason (R): Elevation of the boiling point depends on the chemical nature and  the number of moles of non-volatile solute particles present in the solution.