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The increasing order of the first ioniza...

The increasing order of the first ionization enthalpies of the elements B,P,S and F (lowest first) is:

A

F `lt` S `lt` p `lt` B

B

P `lt` S `lt` B `lt` F

C

B `lt` P `lt` S `lt` F_

D

B `lt` S `lt` P `lt` F

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The correct Answer is:
D
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-MAIN EXERCISE
  1. Which of the following factors may be regarded as the main cause of la...

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  2. Which one of the following sets of ions represents a collection of iso...

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  3. The increasing order of the first ionization enthalpies of the element...

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  4. Which of the following sets of quantum numbers represents the highest ...

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  5. Which one of the following constitutes a group of the isoelectronic sp...

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  6. The set representing the correct order of ionic radius is

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  7. The correct order of electron gain enthalpy with negative sign of F.Cl...

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  8. The electrons identified by quantum numbers n and l :- (a) n=4, l=1 ...

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  9. The increasing order of the ionic radii of the given isoelectronic spe...

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  10. Which of the following paramagnetic ions would exhibit a magnetic mome...

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  11. The electrons identified by the following quantum numbers n and l: (i)...

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  12. In which of the following arrangements, the sequence is not strictly a...

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

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

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  15. 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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  16. Which of the following represent the correct order of increasing first...

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  17. The first ionisation potential of Na is 5.1 eV. The value of electron ...

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  18. The negative value of electron gain enthalpy is less for fluorine than...

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  19. Given Based on data provided, the value of electron gain enthalpy...

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

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