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From the following orbitals of which ...

From the following orbitals of which electron configuration violates Aufbau principle ?

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The correct Answer is:
C
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KUMAR PRAKASHAN-STRUCTURE OF ATOM-Section -C(MCQs asked in Competitive Exam)
  1. When electron transist from higher energy level to lower energy ...

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  2. Which ion does not posses electron cofiguration like Ne?

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  3. From the following orbitals of which electron configuration viol...

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  4. the electron configuration of nitrogen is 1s^(2) 2s^(2) 2p(x)^(...

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  5. The spectra of He^(+) is similar as ….

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  6. Which type of spectra obtained if electron transists from M - ...

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  7. what changes occurs in energy of Bohr's orbit ?

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  8. How many unpaired electrons are present in p -orbital of oxygen ...

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  9. Which series of lines obtained in ultraviolet region in hydrogen...

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  10. In hydrogen atom for which change higher energy required ?

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  11. give electron configuration of Fe^(+3) in its ground state .

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  12. Which are isoelectronic from the following

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  13. If atomic number is (z=26) then given number of 3d electrons .

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  14. the four quantum number of the outermost electron of k (z=19) are ...

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  15. From the following which one is heavier particle ?

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  16. When alpha-particles are made incident on a thin metal foil most ...

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  17. In hydrogen atom electron jumps from 3^(rh) to 2^(nd) energy l...

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  18. Wavelength associated with electron motion ….

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  19. What is the ratio of mass of proton and electron ?

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  20. According to Bohr's theory of hydrogen atom which of the followi...

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