Research Article

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

Table 1

The effect of variation of [NBS] and [EMK] in NBS-EMK system uncatalyzed and catalyzed by metal ions.

103 [NBS][EMK]106  mol dm−3 s−1
mol dm−3Uncatalyzed[Ru(III)][Ir(III)][Ru(III)] + [Ir(III)]

2.000.4000.0991.287.5111.5
4.000.0400.0981.277.5311.4
5.000.0400.0981.297.5011.6
8.000.0400.0981.287.5211.5
5.000.0800.1952.2211.4017.8
5.000.1000.2452.6312.820.0
5.000.2000.4864.0016.727.0
5.000.4000.9755.8519.632.2

102 [Hg(OAc)2] = 2.00 mol dm−3 ; HOAc = 10% (v/v); 102 [H+] = 5.00 mol dm−3 ; 105 [Ru(III)] = 2.09 mol dm−3; 106 [Ir(III)] = 6.67 mol dm−3; Temp. = 310 K.