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The electrons identified by quantum numb...

The electrons identified by quantum numbers n and l :-
(a) n=4, l=1 (b) n=4, l=0 (c ) n=3, l=2 (d) n=3, l=1
Can be placed in order of increasing energy as

A

`(a)lt(c )lt(b)lt(d)`

B

`(c )lt(d)lt(b)lt(a)`

C

`(d)lt(b)lt(c )lt(a)`

D

`(b) lt (d) lt (a)lt(c )`

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-MAIN EXERCISE
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  2. The correct order of electron gain enthalpy with negative sign of F.Cl...

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

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

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

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

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

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

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

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  10. 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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  11. Which of the following represent the correct order of increasing first...

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

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

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

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

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

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  17. Correct set of four quantum numbers for the valence (outermost) electr...

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

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  19. The ionic radii of N^(3-), O^(2-) and F^(-) are respectively given by:

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

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