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  • Iron and its Compounds (Transition Elements)
  • How many unpaired electrons are present in Fe2+?
Multiple choice

How many unpaired electrons are present in Fe2+?

  1. 0

  2. 4

  3. 3

  4. 2

  5. -

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Electron configuration of Fe: [Ar] 3d6 4s2. If 2 electrons are removed then number of electrons left would be 6 and thus, there would be 4 unpaired electrons.

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