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The correct order of radii is:...

The correct order of radii is:

A

`N lt Be lt B `

B

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

C

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

D

`N lt Li lt K`

Text Solution

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The correct Answer is:
B
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