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  • Given below are two statements: one is labelled as Assertion A and the other is abelled as Reason R. Assertion A: <img alt="\mathrm{\ma

Given below are two statements: one is labelled as Assertion A and the other is abelled as Reason R.

Assertion A: \mathrm{\mathrm{LiF}} is sparingly soluble in water.
Reason R : The ionic radius of \mathrm{\mathrm{Li}^{+}\; ion} is smallest among its group members, hence has least hydration enthalpy.

In the light of the above statements, choose the most appropriate answer from the options given below.

Option: 1

Both A and R are true and R is the correct explanation of A.


Option: 2

Both A and R are true but R is NOT the correct explanation of A.


Option: 3

A is true but R is false.


Option: 4

A is false true but R is true.


Answers (1)

best_answer

The Low solubility LiF in water is due to high lattice
enthalpy.
So, Lif as sparingly soluble in water.
Li has high lattice enthalpy.
A is true but R is false.

Hence, Option (3) is correct.

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