CBSE Class 12 Chemistry 2023 Outside Delhi Set 1 Solved Paper

Question : 16 of 35

Marks: +1, -0

Assertion (A): Conductivity decreases with decrease in concentration of electrolyte.
Reason (R): Number of ions per unit volume that carry the current in a solution decreases on dilution.

Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false but (R) is true.

Solution:

Both (A) and (R) are true and (R) is the correct explanation of (A).
Conductivity decreases with a decrease in concentration as the number of ions per unit volume that carries the current in a solution decrease on dilution.

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