Reaction of Chromium(III) with 3,4-Dihydroxybenzoic Acid: Kinetics and Mechanism in Weak Acidic Aqueous Solutions

Figure 7

Dependence of 𝑘_2(obs) upon (a) ligand concentration at [Cr(III)]=2.50×10⁻³M, I = 0.02 M, 313 K and (b) Cr(III) concentration at [3,4-DHBA]=7.45×10⁻³M, I = 0.5 M, 318 K.

(a)

(b)