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Which of the following is not isoelectro...

Which of the following is not isoelectronic series?

A

`Cl^(-) , P^(3-) , Ar`

B

`N^(3-)` , Ne , `Mg^(-2)`

C

`B^(-3) , He , Li^(+)`

D

`N^(3-) , S^(2-) , Cl^(-)`

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTION-PERIODIC TABLE -Exercise - 1
  1. Arrange the following in order of increasing atomic radii Na, Si, Al, ...

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

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  3. Which of the following is not isoelectronic series?

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  4. In the isoelectronic species the ionic radii (Å ) of N^(3-) , Ne and A...

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  5. Correct order of IE(1) are: (P) Li lt B lt Be lt C (Q) O lt N lt F ...

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  6. The maximum tendency to form unipositive ion is for the elment with th...

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  7. The second ionisation potentials in electron volts of oxygen and fluor...

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  8. A sudden large jump between the values of second and third ionisation ...

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  9. The correct order of stability of Al^(+) , Al^(+2) , Al^(+3) is :

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  10. The ionization energy of sodium is 495 kJ mol^(-1). How much energy is...

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  11. Ionisation energy increases in the order :

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  12. Mg forms Mg(II) because of :

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  13. IE(1) and IE(2) of Mg are 178 and 348 kcal mol^(-1). The energy requir...

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  14. Highest ionisation potential in a period is shown by

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  15. In which case the energy released is minimum -

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  16. In the formation of a chloride ion, from an isolated gaseous chlorine ...

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  17. The correct order of electron affinity is:

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  18. The screening effect of d-electron is

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  19. The X-X bond length is 1.00A^(0) and C-C bond length is 1.54A^(@). If ...

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  20. Electronegativity scale of pauling is based upon -

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