Chemistry, asked by prajwal2182, 8 months ago

explain steps involved in manufacture of potassium dichrmate from chromik

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Answered by Rxyll

3

Answer: Preparation pf potassium dichromate from chromite ore involves following steps: (i) Conversion of chromite ore to sodium chromate by roasting finely powdered chromite ore with sodium carbonate and quick lime in excess of air. (ii) Conversion of sodium chromate to sodium dichromate by the action of conc. H2SO4.

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