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Which set represents isoelectronic speci...

Which set represents isoelectronic species ?

A

`Na^(+), Mg^(2+),Al^(3+), Cl^(-)`

B

`Na^(+), Ca^(2+), Sc^(3+), F^(-)`

C

`K^(+), Cl^(-), Mg^(2+), Sc^(3+)`

D

`K^(+), Cl^(-), Ca^(2+), Sc^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
D
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NARAYNA-PERIODIC TABLE -All Questions
  1. Covalent radius of Liis 123 pm .The crystal radius of Li will be:

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  2. O^(2-) and Si^(4+) are isoelectronic ions. If the ionic radius of O^(2...

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  3. Which set represents isoelectronic species ?

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  4. Which of the following pairs of ions have the same electronic configur...

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  5. Which one of the following groups represent a collection of isolectron...

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  6. In a period, atom with smaller radius is

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  7. As number of protons is the nucleus increases, atomic radius gradually...

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  8. The Lanthanide contraction is responsible for the fact that

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  9. The increasing order of the atomic radius of Si,S, Na, Mg,Al is

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  10. Which of the following process refers to ionisation potential ?

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  11. The element with highest ionization potential is

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  12. In the long form of periodic table elements with low ionisation potent...

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  13. As atomic number of elements increases I.P. value of the elements of t...

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  14. The ionization potential values of an element are in the following ord...

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  15. Which of the following elements has the lowest ionization potential ?

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  16. The ionisation energy of nitrogen is more than that of oxygen because

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  17. The correct order of the second ionisation potential of carbon, nitrog...

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  18. The I(1) values of Li,Be and C are 5.4 eV//"atom", 9.32 eV//"atom" and...

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  19. The ionisation potential of "X" ion is equal to

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  20. The I(1) of potassium is 4.339 eV//"atom". The I(1) of sodium

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