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 colour changes observed when testing for…The salt that reacts with dilute hydrochloric acid…The intermediate product formed when ethanol is…The following compounds decolourize acidified…Assuming that brown colour is dominant over black…