Assertion: An electrochemical cell can be set up only if the redox reaction is spontaneous. Reason: A reaction is spontaneous if free energy change is negative.

Options

A. If both (A) and (R) are correct and (R) is the correct explanation of (A).
B. If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
C. A is correct but R is wrong
D. If both (A) and (R) are incorrect.

Answer

A

Explanation

According to Kohlrausch law, "Limiting molar conductivity of an electrolyte can be represented as the sum of the individual contributions ofthe anion and cation of the electrolyte.