In the preparation of potassium dichromate from iron chromite ore ($ ext{FeCr}_2 ext{O}_4$), what

Question

In the preparation of potassium dichromate from iron chromite ore ($	ext{FeCr}_2	ext{O}_4$), what is the first step of the process?

Professor PC Thomas Classes · Answer

The first step is the fusion of chromite ore with sodium carbonate ($	ext{Na}_2	ext{CO}_3$) in a free excess of air to form water-soluble sodium chromate ($	ext{Na}_2	ext{CrO}_4$).