In each of the following questions, a st...

In each of the following questions, a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as
Assertion . The vapour pressure of a pure liquid has a fixed value at a particular temperature .
Reason . When equilibrium is reached , no more vapour are formed .

If both assertion and reason are true, and reason is the true explanation of the assertion .

If both assertion and reason are true but reason is the true explanation of the assertion .

If assertion is true, but reason is false.

If both assertion and reason are false .

Text Solution

AI Generated Solution

The correct Answer is:

To solve the question, we need to analyze both the Assertion and the Reason statements provided: ### Step 1: Analyze the Assertion **Assertion:** The vapor pressure of a pure liquid has a fixed value at a particular temperature. - This statement is true. The vapor pressure of a pure liquid is indeed a characteristic property that depends solely on the temperature. At a given temperature, the vapor pressure reaches a constant value when the liquid and vapor phases are in equilibrium. ### Step 2: Analyze the Reason **Reason:** When equilibrium is reached, no more vapor is formed. - This statement is false. At equilibrium, the rate of vaporization of the liquid equals the rate of condensation of the vapor back into the liquid. This means that while the amount of vapor remains constant, vaporization is still occurring; it’s just that the rates of the forward and reverse processes are equal. ### Step 3: Conclusion Based on the analysis: - The Assertion is true. - The Reason is false. Thus, the correct answer is that the Assertion is true, but the Reason is false. ### Final Answer The correct answer is: Assertion is true, Reason is false. ---

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