89.4 Determination of the reaction order 9.4.1 differential method Partial order method r=kc If no linear relation can be observed adjust the value of B and y until a line can Inr=In k+aNca +BIncB+rInc be obtained The slope of this line is a and the corresponding value of B and y can be obtained simultaneousl Inr=In k+a(nCA+IncB+=Incc) To plot Inr versus Inc. if a linear relation can obtained, B=0,y=0 Is it a trial and el
Partial order method A B C a r kc c c = A B C ln ln ln ln ln r k c c c = + + + A B C ln ln (ln ln ln ) r k c c c = + + + To plot lnr versus lncA , if a linear relation can obtained, = 0, = 0. If no linear relation can be observed, adjust the value of and until a line can be obtained. The slope of this line is , and the corresponding value of and can be obtained simultaneously. Is it a trial and error? §9.4 Determination of the reaction order 9.4.1 differential method
89.4 Determination of the reaction order 9.4.1 differential method Comment: Trial and error 1) It is a rather laborious method 2) For reaction without simple order, it is impossible to ascertain reaction order using this method 3)the experimental error may cause confusion sometimes
1) It is a rather laborious method 2) For reaction without simple order, it is impossible to ascertain reaction order using this method. 3) the experimental error may cause confusion sometimes. Comment: Trial and error §9.4 Determination of the reaction order 9.4.1 differential method