In the primary industrial preparation of Potassium Dichromate from native Chromite ore (), the ore is first subjected to oxidative fusion with Sodium Carbonate () and atmospheric oxygen. What are the

Question

In the primary industrial preparation of Potassium Dichromate from native Chromite ore ($FeCr_2O_4$), the ore is first subjected to oxidative fusion with Sodium Carbonate ($Na_2CO_3$) and atmospheric oxygen. What are the two primary solid/aqueous products of this specific roasting step?

Prashant Kotian · Accepted Answer

Correct answer: B. The balanced fusion reaction is . The Chromium is oxidized from to yielding yellow, water-soluble Sodium Chromate. The Iron is oxidized to insoluble Iron(III) oxide.

💡 Solution & Explanation

Practice 22,000+ questions like this