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Among the isoelectronic species the corr...

Among the isoelectronic species the correct order of ionic size is

A

`Mg^(2+) lt Na^(+) lt O^(2-) lt N^(3-)`

B

`N^(3-) lt Na^(+) lt O^(2-) lt Mg^(2+)`

C

`O^(2-) lt Mg^(2+) lt N^(3-) lt Na^+`

D

`Mg^(2+) lt Na^(+) lt N^(3-) lt O^(2-)`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-PERIODIC PROPERTIES-LEVEL -I (EAMCET) EXERCISE -II
  1. Which of the following set contains pair of elements that do not belon...

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  2. The size of species I,I^(o+) and I^(ө) decreases in the order

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  3. The correct order of increasing radii are

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  4. Atomic radii of fluorine and neon (Å) respectively are given as

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  5. Consider the isoelectronic series K^(o+) , S^(2-) , Cl^(ө) , Ca^(2+) ,...

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  6. Among the isoelectronic species the correct order of ionic size is

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  7. Among the following, atomic radius is highest for

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  8. Among the following pairs, in which one from first species to second s...

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  9. In which of the following pairs size of 1^(st) element is higher as co...

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  10. If the ionic radii of M^(o+) and X^(ө) are about 135 pm, then expecte...

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  11. In which of the following pairs, both species have not nearly the same...

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  12. Among the elements A, B, C and D having atomic numbers 7,8,9 and 12 th...

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  13. The radii of F, F^(-), O, O^(2-) are in the order

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

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  15. The correct arrangement of increasing atomic radius among Na, K, Mg, R...

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  16. Ionic radii of

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  17. The atomic radius of F, Br, and I are 64, 114, and 138 pm respectively...

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  18. The elements in which of the following have most nearly the same atomi...

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  19. Which of the following best helps to account for the fact that the F i...

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  20. Use the periodic table to predict which element has the largest atomic...

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