What is the electronic configuration of chromium in[Cr(NH3)6]3+?

The electronic configuration of chromium in [Cr(NH3)6]3+ is [Ar]3d54s1.

  • Chromium is a chemical element with the symbol Cr and atomic number 24.
  • Cr is in the +3 oxidation state i.e., d3 configuration. Also, NH3 is a weak field ligand that does not cause the pairing of the electrons in the 3d orbital.
  • The presence of three unpaired electrons in the complex makes the complex paramagnetic.
  • Chromium is used to harden steel, to manufacture stainless steel (named as it won’t rust) and to produce several alloys.

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