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Which of the following statement is corr...

Which of the following statement is correct in relation to the hydrogen atom :

A

3s ,3p and 3d orbitals all have the same energy

B

3s and 3p orbitals are of lower energy than 3d orbitals

C

3p orbital is lower in energy than 3d orbital

D

3s orbitals is lower in energy than 3p orbital

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The correct Answer is:
A
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-MAIN EXERCISE
  1. In a multi-electron alom, which of the following orbitals described by...

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  2. Of the following sets which one does not contain isoclectronic species...

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  3. Which of the following statement is correct in relation to the hydroge...

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  4. In which of the following arrangements the order is NOT according to t...

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  5. Which of the following oxides is amphoteric in nature?

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  6. Which of the following factors may be regarded as the main cause of la...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  20. 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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