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Which of the following has smallest size...

Which of the following has smallest size ?

A

`Al^(3+)`

B

`Al^(2+)`

C

`Al^(+)`

D

Al

Text Solution

Verified by Experts

The correct Answer is:
A
Greater the positive charge on the ion smaller is its size.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. r("(van der Waal)") is

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  2. The correct order of the size of C, N, P, S following the order:

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  3. Which of the following has smallest size ?

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  4. Which of the following units are used frequently for atomic radii ?

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  5. The size of the species Cl,Cl^(-) and Cl^(+) decreases as

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  6. The ions which are arranged in correct order of increasing radii are

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  7. Which out of the following has the largest size ?

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  8. The correct arragement of O,P and N in order of increasing radii is

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  9. Covalent radius of Liis 123 pm .The crystal radius of Li will be:

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  10. The ionic species having largest size is

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

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

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

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

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

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  16. The general configuration for elements of group 9 is

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

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

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

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

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