Table 2: Effect of varying dielectric constant ( ) of the medium on the rate of reaction at 301 K.

% MeOH (v/v) 104 ( s−1)
CEXCFL CPD

076.732.315.159.84
1072.371.844.768.45
2067.481.653.987.62
3062.711.323.286.45

Experimental conditions: [CAT]o = 2.0 × 10−4 mol dm−3; [Substrate]o = 1.0 × 10−3 mol dm−3; and [NaOH] = 4.4 × 10−3 mol dm−3.