810.2 Mechanism assumption and Approximate treatment 10.2.1 Approximation treatment of complex reaction mechanism Br.>2Bro To certify the correctness of a proposed Br,+H、kHBr+H mechanism. the mechanism must undergo strict H+Br2→HBr+Br examination H+hbr- kA >h+Br. Whether or not the rate equation derived from aBro BI the proposed mechanism is consistent to the dhAr experimental one is an important criterion However, because of the complexity of the mechanism. the exact treatment of the mechanism k H2IBr is usually impossible and some approximation have 1+k THBr to be introducedTo certify the correctness of a proposed mechanism, the mechanism must undergo strict examination. Whether or not the rate equation derived from the proposed mechanism is consistent to the experimental one is an important criterion. However, because of the complexity of the mechanism, the exact treatment of the mechanism is usually impossible and some approximation have to be introduced. 10.2.1 Approximation treatment of complex reaction mechanism §10.2 Mechanism assumption and Approximate treatment 0.5 2 2 2 [H ][Br ] [HBr] 1 ' [Br ] r k k = + d[HBr] ? dt = 1 2 3 4 5 2 2 2 2 2 Br 2Br Br H HBr H H Br HBr Br H HBr H +Br 2Br Br k k k k k ⎯⎯→ + ⎯⎯→ + + ⎯⎯→ + + ⎯⎯→ ⎯⎯→