Question

Write the uses of potassium dichromate.

Answer 1

Potassium dichromate is used:

1. In the preparation of chrome alum [K₂SO₄ . Cr₂(SO₄)₃ . 24H₂O] and many other industrially important chromium compounds.
2. In calico printing and dyeing.
3. As an oxidising agent in organic chemistry.
4. In the estimation of Fe²⁺ and I⁻ ion in volumetric analysis.
5. In the chrome tanning and leather industry.