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The reaction kinetics for the reaction between the gasses C2(g) and AB(g) was investigated and the data is presented in the table below: C2(g) + 2AB(9) A2(g) + 2C2(g) Initial (AB] Experiment Initial [C] / mol L-1 Initial rate /mol L-s-1 /mol L-1 1 0.100 0.025 2.87 x 10-4 2 0.100 0.050 1.15 x 10-3 3 0.300 0.025 8.61 x 10-4 4 0.200 0.075 5.16 x 10-3 a. Complete the rate equation with the app ate values. [2 marks] xic,TAB rate =
Consider the complex [Co(en)2(NH3)2]2+ (where en = H2NCH2CH2NH2) a. How many different isomers of this complex are possible (enter a numerical value)? [1 mark] b. What geometry does the central metal ion have (enter one or two words)? [1 mark] c. What would the magnetic moment be for the complex (to 2 d.p.)? [2 marks] UB d. What would the magnetic moment be if the central metal ion was oxidised to become Co(III) (to 2.d.p)? [1 mark] UB