(A) : Mg^(2+) and Al^(3+) are isolectronic but the magnitude of ionic radius of Al^(3+) is less than that in Mg^(2+). (R ) : The effective nuclear charge on the outermost electrons in Al^(3+) is greater than that in Mg^(2+).

(A) : Mg^(2+) and Al^(3+) are isolectronic but the magnitude of ionic

1.	(A) : Mg^(2+) and Al^(3+) are isolectronic but the magnitude of ionic radius of Al^(3+) is less than that in Mg^(2+). (R ) : The effective nuclear charge on the outermost electrons in Al^(3+) is greater than that in Mg^(2+).
Answer» <html><body><p>Both Aand <a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a> are <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a>. R is the correct <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a> of A. <br/>Both A and R are correct, R is not the correct explanation of A. <br/>A is <a href="https://interviewquestions.tuteehub.com/tag/true-713260" style="font-weight:bold;" target="_blank" title="Click to know more about TRUE">TRUE</a> and R is false<br/>A is false , but R true </p>Answer :A</body></html>