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Which is correct statement in case of Hu...

Which is correct statement in case of Hund's rule ?

A

It states that if more than one atomic orbital of the same energy is available, electrons will occupy different atomic orbitals with parallel spins, as far as possible, int eh configuration of lowest energy.

B

Total energy of a many electron atom with more than one electron occupying a set ofdegenerate orbitals is lowest, if as far as possible, electrons occupy different atomic orbitals and have parallel spins

C

Hunds rule forbid any configuration that does not violate the Pauli's exclusion prnciple

D

Hund's rule simply tells us which of the possible configuration is lowest in energy and other configurations are those of excited states, higher in energy than the ground state

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A, B, D
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FIITJEE-ATOMIC STRUCTURE-ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL II
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  2. If the enrgy of a frequency v is gives by E = hv where h is plank's...

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  3. The probability of finding the electron in P(x) orbital is

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  4. Which statement (s) is (are) correct?

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  5. Which concerning Bohr's model are true?

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  6. Which sets of quantum no. are consistent with the theory ?

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  7. An electron is not deflected on passing through a certain region , bec...

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  8. Which of the following is/are correct form of Heisenberg's indetermina...

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  9. Consider these electronic configurations for neutral atoms: (i) 1s^(...

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  10. For the energy levels in an atom , which of the following statement ...

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  11. Which of the following statements are correct for an electron that has...

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  12. The hydrogen line spectrum does not provide evidence for the

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  13. In a malti-electrons atom which of the following orbitals deseribed...

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  14. Which of the following statements is /are correct?

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  15. The charge cloud of a single electron in a 2p atomic orbital has two ...

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  16. Which of the following is the correct set of four quantum numbers for ...

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  17. Which of the following statements is /are correct?

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  18. Choose the correct statements

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  19. Which is correct statement in case of Hund's rule ?

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  20. Which of the followng statement are correct?

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