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Given below are two statements: one is labelled as Assertion \( A \) and the other is labelled as Reason R.
Assertion A: LiF is sparingly soluble in water.
Reason \( \mathrm{R} \) : The ionic radius of \( \mathrm{Li}^{+} \)ion is smallest among its group members, hence has least hydration enthalpy.
Choose the correct alternative from the following options for the Assertion (A) and Reason (R) given below:
a) Both (A) and (R) are true and (R) is correct explanation of (A).
b) Both (A) and (R) are true but (R) is not correct explanation of (A).
c) \( (\mathrm{A}) \) is true but \( (R) \) is false.
d) (A) is false but (R) is true.
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