Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): At a constant temperature, the dissociation constant of chloroethanoic acid will be higher than that of propanoic acid.
Reason (R): Higher the number of carbon atoms in a compound, lower will be the dissociation constant.
Select the most appropriate answer from the options given below:

Options

A. Both A and R are true and R is 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 but R is true.