Delhi - 2016Share
When chromite ore is fused with NaOH in presence of air, a yellow coloured compound (A) is obtained which on acidification with dilute sulphuric acid gives a compound (B). Compound (B) on reaction with KCl forms a orange coloured crystalline compound (C).
A. Write the formulae of the compounds (A), (B) and (C)
B. Write one use of compound (C).