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The radii of F,F^(-),O and O^(-2) are in...

The radii of `F,F^(-),O` and `O^(-2)` are in the order of

A

`O^(2-)gtF^(-)gtOgtF`

B

`O^(2-)gtF^(-)gtFgtO`

C

`F^(-)gtO^(2-)gtFgtO`

D

`O^(2-)gtOgtF^(-)gtF`

Text Solution

Verified by Experts

The correct Answer is:
A
Atomic radius decreases on going from left to right in a period. Thus size of `OgtF`. As `O^(2-)` and `F^(-)` are isoelectronic, therefore, size of `O^(2-)gtF^(-)`.
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ERRORLESS -CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES -Ordinary Thinking Objective Questions Atomic and Ionic radii
  1. Which of the following orders of ionic radii is correctly represented?

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  2. Which has the maximum atomic radius?

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  3. The radii of F,F^(-),O and O^(-2) are in the order of

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  4. Which of the following ion is the smallest ion is the smallest ion?

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  5. Of the following, the one with largest size is

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  6. Which of the following is the correct order of ionic radii

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  7. Which of the following has the largest ionic raduis?

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  8. The ionic radii (A^@)of C^(-4) and O^(-2) are 2.60 and 1.40 respective...

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  9. In a period, elements are arranged in strict sequence of

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  10. Arrange the following in increasing order of their atomic radius: Na, ...

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  11. The correct order of increasing radii of the ions Br^(-), F^(-), O^(2-...

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  12. In the isoelectronic species the ionic radii of N^(3-), O^(2-), F^(-) ...

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  13. Which of the ions in the table below would have the largest value of e...

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  14. Which of the following alkali metal ions has the lowest ionic mobility...

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  15. Which one of the following indicates the correct order of atomic size

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  16. Al^(3+) has low ionic radius than Mg^(2+) because

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  17. Which one of the following ions has the highest value of ionic radius?

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  18. Which of the following sets will have highest hydration energy and hig...

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  19. Which of the following is the correct increasing order of the ionic ra...

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  20. In third row of periodic table the atomic radii from Na and Cl

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