Assertion (A) Conductivity of all electrolytes decreases on dilution.
Reason(R) On dilution number of ions per unit volume decreases.

Options

A. Both A and R are true but R is NOT the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false and R is True

Answer

D

Explanation

Conductivity of an electrolyte decreases with decrease in concentration because of ions per unit volume decreases on dilution.