NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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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): The ionic radii of

{O^{2 - }}

and

M{g^{2 + }}

are same.
Reason: Both

{O^{2 - }}

and

M{g^{2 + }}

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

View answer and explanation

Correct option: D

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

Option D ((A) is false but (R) is true) is correct because while both ions are isoelectronic, their ionic radii are different.

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