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When the following five anions are arran...

When the following five anions are arranged in order of decreasing ionic radius , the correct sequence is :

A

`Se^(-2) , I^(-) , Br^(-) , O^(2-) , F^(-)`

B

`I^(-) , Se^(2-) , O^(2-) , Br^(-) , F^(-)`

C

`Se^(-2) , I^(-) , Br^(-) , F^(-) , O^(2-)`

D

`I^(-) , Se^(-2) , Br^(-1) , O^(2-) , F^(-)`

Text Solution

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The correct Answer is:
D
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NARAYNA-PERIODIC TABLE -All Questions
  1. Which of the following triads have approximately equal size ?

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  2. Ionic radii of :

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  3. When the following five anions are arranged in order of decreasing ion...

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  4. (a),(b) and (c) are elements in the second short period. Oxide of (a) ...

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  5. Sizes of the second and third row transition elements are almost the s...

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  6. EN of the element (A) is E(1) and EA is E(2) hence IP will be :

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  7. For the element X, student Surbhi measured its radius as 102 nm, Mr. G...

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  8. The effective nuclear charge on the added electron in F-atom , in the ...

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  9. Covalent radius of F is 0.72 A^(@) . Calculate its Allred-Rochow's ele...

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  10. Covalent radius of oxygen is 0.74 A^(@) and its A .R. electronegativi...

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  11. There are four elements 'P' , 'q' , 'r' and 's' having atomic numbers ...

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  12. Which of the following statements are correct? (i) Generally the ra...

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  13. The correct order of atomic radii of the following element Sm(z=62), E...

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  14. Consider the following ionization steps : M(g) rarr M^(+)(g) +e^(-),...

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  15. Which of the following show amphoteric behaviour?

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  16. In which of the following arrangements, the order is not correct accor...

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  17. Which of the following statement(s) is /are correct?

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  18. Which of the following statements is/are correct?

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  19. Which one of the following statements is/are incorrect :

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  20. Poor shielding of nuclear charge by d or f-orbital electrons is respon...

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