Uploaded April 2017 | Updated September 2026, 8 hours ago
Reaction of CaCl2, SrCl2, BaCl2 with Na2SO4 solution (precipitation only with ions from earth alkaline metals
Reaction of CaCl2, SrCl2, BaCl2 with Na2SO4 solution (precipitation only with ions from earth alkaline metals








![SYNTHESIS OF THE COPPER ACETYLIDE
A copper(I) complex is syntesised [Cu(NH3)2]Cl and reacted with acethylene. A blood red precipitate is formed - the copper acetylide- which upon drying is set on fire generating a cloud of sparks. SYNTHESIS OF THE COPPER ACETYLIDE](https://i.ytimg.com/vi/Du2sOTpH3pQ/mqdefault.jpg)

