Synergistic Effect of [Ru(III) + Ir(III)] in N-Bromosuccinimide Reaction with Certain Aliphatic Ketones: A Kinetic Study

Table 3

The effect of variation of [Ir(III)] in NBS-EMK system in the presence of Ru(III).

10^6 [Ir(III)]; mol dm^−3	10^6 𝑘𝑜 mol dm^−3 s^−1	𝑘𝑜/[Ir(III)]
0.275	0.406	1.48
0.550	0.816	1.48
1.10	1.62	1.48
2.20	3.21	1.46
3.30	4.80	1.45
4.40	6.41	1.46

10³ [NBS] = 5.00 mol dm⁻³; [EMK] = 0.100 mol dm⁻³; HOAc = 10% (v/v);
10² [H⁺] = 5.00 mol dm⁻³; 10⁵ [Ru(III)] = 2.09 mol dm⁻³; Temp. = 300 K.
10² [Hg(OAC)₂] = 2.00 mol dm⁻³.