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The correct sequence which shows decreas...

The correct sequence which shows decreasing order of the ionic radii of the elements is

A

`Na^(+) gt Mg^(2+) gt Al^(3+) gt O^(2-) gt F^(-)`

B

`Na^(+) gt F^(-) gt Mg^(2+) gt O^(2-) gt Al^(3+)`

C

`O^(2-) gt F^(-) gt Na^(+) gt Mg^(2+) gt Al^(3+)`

D

`Al^(3+) gt Mg^(2+) gt Na^(+) gt F^(-) gt O^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-PERIODIC CLASSIFICATION-OBJECTIVE EXERCISE - 1 (ATOMIC AND IONIC RADIUS)
  1. In the isoelectronic species the ionic radii (A^@) of N^(3-) , O^(2-) ...

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  2. Correct statement among the following is

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  3. Very slight decrease in atomic radius occurs in a transition series wh...

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  4. Separation of Lanthanides from their mixture is not easy because of

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  5. If the radius of Fe^(+ +) is 0.76A^@, the radius of Fe^(+ + +) may be

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  6. Among elements with the following electronic configurations, the one w...

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  7. Largest ion among the following is

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

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  9. Which of the following order is correct for the size of Fe^(3+) , Fe a...

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  10. Similarity in the radius of Zr and Hf is explained on the basis of

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  11. Metallic radius of Ca is 200pm. Covalent radius of Ca is

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  12. Which one is the correct order of the size of the iodine species?

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  13. The correct sequence which shows decreasing order of the ionic radii o...

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  14. The Lanthanide contraction relates to (AFMC)

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  15. In a group from top to bottom effective nuclear charge

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  16. Which of the following is not a periodic property ?

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  17. Elements of the same vertical group of the periodic table have

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  18. Which of the following ion has smaller size?

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

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  20. Which of the following statements concerning atomic size is correct?

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