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The correct order of radii is:...

The correct order of radii is:

A

`NltBeltB`

B

`F^(-) lt O^(2-) lt N^(3-)`

C

`Na ltLi ltK`

D

`Fe^(3+) lt Fe^(2+) lt Fe^(4+)`

Text Solution

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The correct Answer is:
B
Among the isoelectronic species, the size increases as the negative charge increases.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  9. Which of the following sets of ions represents a collection of isoelec...

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