Kapil Kumar Wadhwa Inorganic Chemistry Pdf Best Review

Example 3 — Reaction/test (qualitative) Problem: Distinguish between Ba2+ and Ca2+ using simple wet tests. Approach: Add SO4^2– (H2SO4 or Na2SO4): Ba2+ → white BaSO4 insoluble (ppt). CaSO4 is sparingly soluble; use flame test: Ba gives apple‑green, Ca gives brick‑red/orange‑red.