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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-) gt F^(-) gt O gt F`

B

`O^(2-) gt F^(-) gt F gt O`

C

`F^(-) gt O^(2-) gt F gt O`

D

`O^(2-) gt O gt F^(-) gt F`

Text Solution

Verified by Experts

The correct Answer is:
A
Atomic radius decreses on going from left to right in a period. Thus size than parent atom and anion has greater size than parent atom.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-AIIMS Questions
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  4. Which has the maximum atomic radius?

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  6. Which of the following has largest radius?

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  7. Which of the following gaseous atoms has highest value of IE?

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  11. Which has the highest second ionisation potenitial?

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  19. Which of the following set has the strongest tendency to form anions?

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