AIPMT 2003 Physics and Chemistry Paper

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Question : 51 of 100

Marks: +1, -0

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

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+
An decrease from O2− to F−and then increase from Na+to Al3+

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