8 7.4 Activity and activity coefficient 2. Ionic strength on reaction rate-primary/kinetics salt effect 0.6 Effect of ionic strength on the rate of reaction between two ions 0.4 +4: Co(NH,) Br2++ hg2+ +2:S2O2-+I 0.2 +1: INO2NCO2C2H5F+OH- 0.0 0: CH3COOC2H5 OH 1: H,O+H+t+ Br -0.2 -2 Co(NH) Br2++ oh k -0.4 lOg Rs=2ZAZBAT 0.0 0.3 kEffect of ionic strength on the rate of reaction between two ions. +4: Co(NH3 )5Br2+ + Hg2+ +2: S2O8 2- + I − +1: [NO2NCO2C2H5 ] − + OH− 0: CH3COOC2H5 + OH− -1: H2O2 + H+ + Br− -2: Co(NH3 )5Br2+ + OH− 0.0 -0.2 -0.4 0.2 0.4 0.6 0.0 0.1 0.2 0.3 I 0 log s k k §7.4 Activity and activity coefficient A B 0 log 2 s k Z Z A I k = 2. Ionic strength on reaction rate -primary/kinetics salt effect