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:A rock sample was added to cold dilute HNO3. The gas…The colour changes observed when testing for…The decolourization of purple colour of…The following compounds decolourize acidified…In the laboratory preparation of chlorine from…