$\begingroup$ I would say the alkene reacts with the bromine to form the bromonium ion, which is then intercepted by H2O. H2O is a lousy nucleophile compared to Br- but if the solvent is water then the sheer excess of water molecules would probably lead to the bromohydrin. Jul 14, 2015 · I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study chemistry further, the grades you get ...

Bromine water test. 2. Bayer's test. Basically Bromine water is red in color, so when an unsaturated compound (Alkene or Alkyne) is treated with it. The Bromine water get decolourized, on the ... Chapter 21: Reactions of Aromatics Although benzene, as the prototype of aromatic systems, formally has three C=C double bonds, its reactions are quite different from those of alkenes. Whereas alkenes tend to undergo addition reactions, especially electrophilic additions, benzene tends to under substitution .