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Which of the following represents the in...

Which of the following represents the incorrect order of ionic radii ?

A

`Al^(3+) lt Mg^(2+) lt Na^(+)`

B

`Na^(+) lt Mg^(+) lt Al^(+)`

C

`Br^(-) gt Cl^(-) gt F^(-)`

D

none of the above

Text Solution

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The correct Answer is:
B
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. The ionic species having largest size is

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

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  3. Which of the following represents the incorrect order of ionic radii ?

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  4. The size of species I, I^(+) and I^(ɵ) decrease in the order.

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  5. The correct decreasing order of ionic size among the following species...

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  6. The electronic configuration of elements of group 18 can be represent ...

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  7. The general configuration for elements of group 9 is

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  8. In the transition element the incoming electron occupies [n-1] d suble...

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

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  10. The element whose electronic configuration is 1s^(2), 2s^(2)2p^(6), 3s...

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  11. The element of 4th period of the periodic table having maximum number ...

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  12. Which of the following ions does not have the configuration of argon ?

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  13. Iso-electronic ions are those which have

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  14. The electronic configuration of the fourth transition element is

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  15. which among the following species has the same number o f electrons in...

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  16. The general valence shell electronic configuration of transition eleme...

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  17. The anion O^(2-) is iso-electronic with

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  18. In the iso-electronic series : K^(+),Cl^(-),S^(2-),Ca^(2+), the lar...

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  19. Which among the following is not iso-electronic ?

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  20. An element of p-block in which last electron enters into s-orbital of ...

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