NCERT Exercise 4.26 - The d- and f-Block Elements

Question: Indicate the steps in the preparation of: (i) K2Cr2O7 from chromite ore. (ii) KMnO4 from pyrolusite ore.

Answer: Work from the relevant NCERT mechanism, definition, or quantitative relation for this exercise.

Full step-by-step NCERT solution with diagrams on Something by Zero.