Table 3. Summary of Reduction Time, Rate Constant, Correlation Coefficient, and Activity Parameter for Nitroarenes Reduction in Presence of the AgNi@ZnO Catalyst.

nitro compound	reduction time (s)	rate constant (k, s–1)	correlation coefficient (R2)	activity parameter (K, s–1 g–1)
4-nitrophenol	120	0.0142	0.998	47.46
2-nitrophenol	60	0.0186	0.998	61.93
2-nitroaniline	30	0.0652	0.974	217.2