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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

`Na lt Li lt K`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
Ionic radii decrese significantly from left to right in a period among representative elements.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Atomic Radius, Screening Effect And Penetration Effect
  1. Which is helpful in the formation of ionic bond

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  2. which of the following ions has the smallest radius?

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  3. The correct order of radii is

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  4. Which is the correct order of atomic radii?

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  5. Which of ions are isoelectronic?

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  6. The order of magnitude of ionic radii of ions Na^(+),Mh^(2+),Al^(3+) a...

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  7. which of the following has largest radius ?

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  8. Which of the following does not represents the correct order of the pr...

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  9. Which of the following statement concerning lanthanides elements is fa...

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  10. Which of the following ions has the smallest size?

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  11. The correct order of increasing radii of the elementsSi,Al,Na and P is

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  12. which one of the following species possesses maximum size?

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  13. which of the following ions is the smallest in size?

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  14. The size of the following species increases in the order

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  15. Which of the following is correct order of atomic radii?

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  16. The ratio between radii of He^(+) ion and H atom is

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  17. Which of the following is the largest ion?

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  18. Which one is the correct order of the size of the iodine species?

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  19. The size of the following species increases in the order

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  20. Which of the following has the smallest size?

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