The following initial-rate data were obtained on the rate of binding of glucose with the enzyme hexokinase (obtained from yeast) present at a concentration of 1.34 mmol dm . (a) What is the order of reaction with respect to glucose?
(b) What is the rate constant?
(C6H12061/(mmol dm-3) 1.00 1.54 3.12 4.02
Vo/mol dm-35-1) 5.0 7.6 15.5 20.0

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.