Assertion : On dilution conductivity (κ) decreases.Reason : Conductivity is measured for per unitvolume by which number of ions decreases ondilution.(1) Both Assertion and Reason are true and theReason is correct explanation of Assertion(2) Both Assertion and Reason are true and theReason is not correct explanation of Assertion(3) Assertion is true but the Reason is false(4) Both Assertion and Reason are false
Question
Assertion : On dilution conductivity (κ) decreases.Reason : Conductivity is measured for per unitvolume by which number of ions decreases ondilution.(1) Both Assertion and Reason are true and theReason is correct explanation of Assertion(2) Both Assertion and Reason are true and theReason is not correct explanation of Assertion(3) Assertion is true but the Reason is false(4) Both Assertion and Reason are false
Solution
Assertion: On dilution, conductivity (κ) decreases. Reason: Conductivity is measured per unit volume, and the number of ions decreases on dilution.
To determine the correct answer, we need to evaluate the validity of both the assertion and the reason.
The assertion states that conductivity decreases on dilution. This is generally true because dilution reduces the concentration of ions in a solution, which in turn reduces the ability of the solution to conduct electricity. Therefore, the assertion is true.
The reason provided for the assertion is that conductivity is measured per unit volume, and the number of ions decreases on dilution. This is also true because dilution increases the volume of the solution while keeping the number of ions constant. As a result, the concentration of ions decreases, leading to a decrease in conductivity. Therefore, the reason is correct and provides a valid explanation for the assertion.
Based on the evaluation of both the assertion and the reason, the correct answer is (1) Both Assertion and Reason are true, and the Reason is the correct explanation of the Assertion.
Similar Questions
Assertion (A) : Conductivity of an electrolyte increases with decrease in concentration.Reason (R) : Number of ions per unit volume decreases on dilution
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