ethyne when heated in the presence of Ni(CN)2 at high pressure compound A is formed this compound decolourises by Br2/CCl4 and an alkaline KMnO4 solution.ozonolysis followed by oxidation gives four moles of ethanedioic acid .compound A is
ethyne when heated in the presence of Ni(CN)2 at high pressure compound A is formed this compound decolourises by Br2/CCl4 and an alkaline KMnO4 solution.ozonolysis followed by oxidation gives four moles of ethanedioic acid .compound A is










