Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The ionic radii of O2$-$ and Mg2+ are same. Reason (R) : Both O2$-$ and Mg2+ are isoelectronic species. In the light of the above statements, choose the correct answer from the options given below.

Question

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

Assertion (A) : The ionic radii of O^2$-$ and Mg²⁺ are same.

Reason (R) : Both O^2$-$ and Mg²⁺ are isoelectronic species.

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

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

Both (A) and (R) are true but (R) is not the correct explanation of (A).

(A) is true but (R) is false.

(A) is false but (R) is true.

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