Table 4: The effect of variation of solvent [% HOAc (v/v)] in NBS-EMK in [Ru (III) + Ir (III)] catalyzed reaction.

HOAc % (v/v) 10 20 30 40 50 10−6  mol dm−3 s−1 0.850 0.950 1.15 1.35 1.50

103 [NBS] = 5.00 mol dm−3; [EMK] = 0.100 mol dm−3; 102 [Hg(OAc)2] = 2.00 mol dm−4; Temp. = 300 K; 106 [Ru(III)] = 5.25 mol dm−3; 107 [Ir(III)] = 5.50 mol dm−3.