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Which of the following ion is the smalle...

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

A

`O_(2)^(+)`

B

`O_(2)^(-)`

C

`O_(2)`

D

`O_(2)^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Cation has smaller 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
  1. The radii of F,F^(-),O and O^(-2) are in the order of

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  2. Which has the maximum atomic radius?

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

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  4. Which of the following has largest radius?

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

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  6. Ionistion energy is highest for

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  7. Among the following options , the sequence of increasing first ionisat...

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  8. Which of the following transitions involves maximum amount of energy?

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  9. Which has the highest second ionisation potenitial?

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  10. Mg and Li are similar in their properties due to

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  11. For electron affinity of halongens which of the following is correct

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  12. Which one of the elements has the maximum electron affinity?

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  13. Order of electron affinity of F,Cl,Br and I is

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  14. Which one of the following represents the electronic configuration of ...

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  15. Which of the following is the most electropositivite element?

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  16. Which of the following has no unit?

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

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  18. The pair of amphoteric hydroxides is

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  19. A sudden jum- between the values of second and third ionisation energi...

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  20. If the degree of ionization of water is 1.8xx10^(-9) at 298K. Its ioni...

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