The colour of the solution formed when ethyne reacts with an acidic solution of potassium tetraoxomanganate (VII) is? by Sunday | May 11 | Chemistry WAEC | 0 comments A. purple B. colourless C. green D. pink Correct Answer: Option B B. colourless Users Also Read These:The following compounds decolourize acidified…The colour changes observed when testing for…The decolourization of purple colour of…The intermediate product formed when ethanol is…In the laboratory preparation of chlorine from…