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The isoelectronic set of ions is:...

The isoelectronic set of ions is:

A

`N^(3-) , Li ^(+), Mg ^(2+) and O ^(2-)`

B

`Li ^(+), Na ^(+), O ^(2-) and F ^(-)`

C

`F ^(-), Li ^(+), Na ^(+) and Mg ^(2+)`

D

`N^(3-) , O ^(2-) , F ^(-) and Na ^(+)`

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The correct Answer is:
D
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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS (B)) (MCQs)
  1. The ionic radii of N^(3-), O^(2-) and F^(-) are respectively given by:

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  2. An element X belongs to the fourth period and the fifteenth group of t...

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  3. Which of the following atoms has the highest first ionisation energy ?

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  4. Which of the following atom should have the highest negative first ele...

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  5. The order of electronegativities among N,C, Si and P is

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  6. The group having isoelectronic species is

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  7. Which electronic configuration will show the highest first ionization ...

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  8. What is the correct increasing order of ionic atomic radii in the foll...

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  9. Which element has the highest first ionization potential ?

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  10. Which of the following statements is not correct for the periodic clas...

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  11. the element with Z=120 (not yet discovered ) will be an /a :

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  12. The first ionization enthalpy of the following elements are in the ord...

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  13. In general, the properties that decrease and increase down a group in ...

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  14. The group number, number of valence electrons, and valency of an eleme...

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  15. The IUPAC symbol for the element with atomic number 119 would be :

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  16. When the first electron gain enthalpy (triangle(eg)H) of oxygen is -14...

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  17. The size of the iso-electronic species Cl ^(-) , Ar and Ca ^(2+) is af...

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  18. In comparison to B, Be has

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  19. The element having greatest difference between its first and second io...

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  20. The isoelectronic set of ions is:

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