Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R ).
Assertion (A) : Lithium salts are hydrated
Reason (R ): Lithium has higher polarising power than other alkali metal group members .
In the light of the above statements ,choose the most appropriate answer from the options given below :

Options

A. (A) is not correct but (R ) is correct.
B. Both (A) and (R ) are correct and (R ) is the correct explanation of (A) .
C. (A) is correct but (R ) is not correct .
D. Both (A) and (R ) are correct but (R ) is not the correct explanation of (A) .