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JIPMER 2006
Exam
JIPMER
Year
2006
Subject
Chemistry
Chapter
Structure of Atom

JIPMER 2006 · Chemistry · Structure of Atom

Cr is member of 3 d transition series of atomic number 24. What...

Cr is member of 3d3 d transition series of atomic number 24. What will be its electronic configuration?

Options

  1. A3d64s23 d^6 4 s^2
  2. B3d54s23 d^5 4 s^2
  3. C3d44s23 d^4 4 s^2
  4. D3d54s13 d^5 4 s^1

Correct answer

D. 3d54s13 d^5 4 s^1

Step-by-step solution

24Cr⟶[Ar]3d54s1{ }_{24} \mathrm{Cr} \longrightarrow[\mathrm{Ar}] 3 d^5 4 s^1
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