Kinetics and Mechanisms of the Chromium(III) Reactions with 2,4- and 2,5-Dihydroxybenzoic Acids in Weak Acidic Aqueous Solutions

Table 1

Values of 𝑘₁ and 𝑘₂ at various temperatures.

2,4-DHBA			2,5-DHBA
T(K)	𝑘1(M^-1s^-1) (·10^+2)	𝑘2 (s^-1) (·10^+5)	T(K)	𝑘1(M^-1s^-1) (·10^+2)	𝑘2 (s^-1) (·10^+5)
281	1.57		279	0.87
287	2.10		283	1.24
290	2.14		291	2.12
296	5.06		298	4.17
298		1.45	298		1.40
303		1.86	303		1.89
308		2.88	308		2.78
313		3.95	313		4.44
313		3.48	313		4.31