Multiple choice

Which of the following potassium salts is an octahedral transition metal complex?

  1. Potassium cyanide

  2. Potassium ferrioxalate

  3. Potassium bicarbonate

  4. Potassium bifluoride
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Potassium ferrioxalate is an octahedral transition metal complex in which three bidentate oxalate ions are bound to an iron center. Potassium acts as a counterion, balancing the -3 charge of the complex.

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