Multiple choice

Which of the following ores of iron has the lowest oxidation state for iron as central atom?

  1. Haematite

  2. Magnetite

  3. Iron pyrite

  4. Limonite

  5. Siderite

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

Oxidation state of iron metal in siderite (FeCO3) is + 2. Hence, siderite, an ore of iron has the lowest oxidation state for iron as central atom.