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The sizes of A, A^+ and A^- follows the ...

The sizes of A, `A^+` and `A^-` follows the order

A

`A^(+) gt A^(-) gt A`

B

`A^(-) gt A^(+) gt A`

C

`A^(-) gt A gt A^(+)`

D

`A gt A^(-) A^(+)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -2B
  1. Lanthanide contraction occurs because

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  2. Radius of Cs^(+) ion is less than that of A) Fluoride ion B) Chlo...

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  3. The sizes of A, A^+ and A^- follows the order

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  4. Which of the following has the largest atomic radius ?

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  5. Which of the following grouping represents a collection of iso-electio...

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  6. Which is not related to lanthanide contraction

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  7. A trend common to both groups 1 and 17 elements in the periodic table ...

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  8. The screening effect of d-electrons is

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  9. (A): The first ionisation energy of B is less than that of Be (R) :...

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  10. (A): The second ionisation energy of 'O' is greater than that of secon...

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  11. The species with largest ionisation potential

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  12. Which of the following has highest first ionisation potential?

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  13. The electronic configuration of elements A, B, and Care [He] 2s^(1), [...

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  14. The first ionisation potential is maximum for

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  15. Second ionization energy of an element is higher than its firs...

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  16. (A): The second electron affinity f oxygen is endothermic. (R): Oxyg...

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  17. Consider the elements N, P, O and S and arrange them in order of : ...

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  18. The process requiring the absorption of energy is

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  19. In which block of the periodic table the electronegativities of the el...

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  20. Electronegativity is a measure of the capacity of an atom to

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