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Give number of unpaired electron in...

Give number of unpaired electron in `Ni^(2+)`

A

0

B

1

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
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KUMAR PRAKASHAN-STRUCTURE OF ATOM-Section -C(MCQs asked in Competitive Exam)
  1. Which quantum number indicate s,p ,d,f orbitals ?

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  2. Give number of unpaired electron in Ni^(2+)

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  3. The electron configuration 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(2) is ...

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  4. It n =6 l =1 p orbital m= 0 .Then the max electron in p orbi...

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  5. When electron transist from higher energy level to lower energy ...

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

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

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

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

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

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

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

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

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

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

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  16. Which are isoelectronic from the following

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

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

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  19. From the following which one is heavier particle ?

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

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