See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

    3 4 2 3 6 6 Fe Fe CN Fe Fe CN                   4 6 3 Fe Fe CN     Blue precipitate     4 3 4 6 6 3 Fe Fe CN Fe Fe CN             Blue precipitate     4 2 2 6 6 Fe Fe CN Fe Fe CN             White precipitate     3 3 6 6 Fe Fe CN Fe Fe CN             Brown colour     4 2 2 6 6 Cu Fe CN Cu Fe CN             Brown colour   1 3 2 2 2 2 3 2 3 4 6 violet colour Fe S O Fe S O Fe S O             