Question

1. What would happen if you mixed:(i)1mole of alkene and 1mole of bromine (ii)1mole of alkene and 2 moles of bromine (iii) 1 mole of alkyne and 1 mole of bromine?

also pls site sources

Answer 1

Orange Color BY Br Colourless Solution Alkene on addition of 1 mol of Boy becomes colorless due to formation of Dibromo compound Drange brownish color was I due to presence of Boy. > y=6 +264 - + Brz On adding 2 moles of Brz, 1 mol of Bromine will react with alkene to form colorless dibromo compound But still there will be 1 mol of unreacted Br, which will produse Orange Brownish colar - solution,

37 -C=c- t Boz -> orange Brown color. 'Br Colorless On addition of 1 mol of Bor, alkyne undergoes reaction to form dibromo alkene which is colorless is nature. Source: Solomon's Osganic chemistry.