1.

The inversion of cane sugar proceeds with half-life of 500 min at pH = 5 for any concentration of sugar. However, if pH = 6, the half-life changes to 50 min. The rate law expression for sugar inversion can be written as:

A. \[r=K{{\left[ sugar \right]}^{2}}{{\left[ {{H}^{+}} \right]}^{0}}\]
B. \[r=K{{\left[ sugar \right]}^{1}}{{\left[ {{H}^{+}} \right]}^{0}}\]
C. \[r=K{{\left[ sugar \right]}^{1}}{{\left[ {{H}^{+}} \right]}^{1}}\]
D. \[r=K{{\left[ sugar \right]}^{0}}{{\left[ {{H}^{+}} \right]}^{0}}\]
Answer» D. \[r=K{{\left[ sugar \right]}^{0}}{{\left[ {{H}^{+}} \right]}^{0}}\]


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