Chemsheets 1232 Answers -

: This is the standard test for unsaturation. Adding an alkene to orange/red bromine water causes it to turn colourless .

Before balancing any atoms, you must determine what is being oxidized and what is being reduced. Memorizing the priority rules for assigning oxidation numbers is essential: (e.g., Cl2Cl sub 2 ) always have an oxidation state of 0. chemsheets 1232 answers