Ethene decolourises acidified potassium tetraoxomanganate(VII) solution. Which gas will decolourise bromine water? by Sunday | Apr 19 | Chemistry NECO | 0 comments A. CH4 B. C2H6 C. C3H6 D. C3H8 E. C6H6 Correct Answer: Option C – C3H6 Users Also Read These:The colour of the solution formed when ethyne reacts…A hydrogen chloride gas reacted with oxygen gas to…The salt that reacts with dilute hydrochloric acid…The following compounds decolourize acidified…The colour changes observed when testing for…