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The order of increasing sizes of atomic ...

The order of increasing sizes of atomic radii among the elements O,S, Se and As is :

A

AS`lt`S`lt`O`lt`Se

B

O`lt`S`lt`As`lt`Se

C

Se`lt`S`lt`As`lt`O

D

`OltSltSeltAs`

Text Solution

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The correct Answer is:
D
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-MAIN EXERCISE
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  2. In which of the following arrangements, the sequence is not strictly a...

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  3. For how many orbitals are the quantum numbers n = 3, l = 2, m = +2 pos...

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  4. The numbers of protons, electrons and neutrons in a molecule of heavy ...

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  5. Given (a) n=5,m(i)=+1 (b) n=2,l=1,m(i)=-1,m(s)=-1//2 The maximum...

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  6. The order of increasing sizes of atomic radii among the elements O,S, ...

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  7. The correct order of second ionisation potential of C, N, O and F is:

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  8. Correct set of four quantum numbers for valence electron of rubidium( ...

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  9. Which of the following series correctly represents relations between t...

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  10. The ionic radii (in Å) of N^(3-), O^(2-) and F^(-) are respectively :

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  11. In the long form of the periodic table the valence shell electronic co...

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  12. Which element has highest first ionization energy?

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  13. The non-metal that does not exhibit posittve oxidation state is:

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  14. The electronic configuration with the highest ionization enthalpy 'A' ...

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  15. Consider the following ionization enthalpies of two elements ‘A’ and ‘...

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  16. In the following reactions, ZnO is respectively acting as a/an:- (a)...

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  17. The group having isoelectronic species is:

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  18. The correct order of electron affinity is :-

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  19. Arrange the following isoelectronic species (O^(2-) , F^(-) , Na^+, Mg...

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  20. which of the following arrangements shows schematic alignment magn...

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