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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

Verified by Experts

The correct Answer is:
B
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NARAYNA-PERIODIC TABLE -All Questions
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  7. Which of the following represents second ionization potential ?

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  9. If electro negativity of x be 3.2 and that of y be 2.2 , the percentag...

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  11. Which of the following statements is incorrect ?

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