General Science • ChemistryHard
Which coordination compound is commonly known as 'Prussian blue' and is used as an antidote for heavy metal poisoning such as thallium and radioactive cesium?
A. Potassium ferricyanide
B. Iron(III) hexacyanoferrate(II)✓ Correct Answer
C. Sodium nitroprusside
D. Tetraamminecopper(II) sulfate
💡 Solution & Explanation
Prussian blue is chemically known as iron(III) hexacyanoferrate(II) and functions effectively as a medical antidote by binding heavy metals like thallium and radioactive cesium in the gastrointestinal tract. Potassium ferricyanide and sodium nitroprusside are distinct chemical reagents utilized in analytical laboratories. Its deep blue pigmentation arises from metal-to-metal charge transfer.
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