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why Hg+2 &Hg2^+2 salts are colour less

why Hg+2 &Hg2^+2 salts are colour less


 

Grade:12

1 Answers

Srikanth Neeli
38 Points
9 years ago

hg atomic number is 80 .in the oxidation state of +2 it loses two electrons then it has comlpletely filled d-orbitals and also in the Hg2^2+ loses 1 electron .in this salts d-d transition is not possible so they are colourless.

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