BITSAT 2013 Paper

Section: Chemistry

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Question : 45 of 150

Marks: +1, -0

The ions O2–,F–,Na+,Mg2+ and Al3+ are isoelectronic. Their ionic radii show :

A decrease from O2– to F– and then increase from Na+ to Al3+
A significant increase from O2– to Al3+
A significant decrease from O2– to Al3+
An increase from O2– to F– and then decrease from Na+ to Al3+

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