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In the Equation, C4H10(l)+ Cr2O72-(aq) + H+(aq) \rarr H6C4O4(s)+ Cr3+(aq)+ H2O(l), the Change in the Oxidation Number of H2O(l)

Question 97

Multiple Choice

In the equation, C4H10(l) + Cr2O72-(aq) + H+(aq) \rarr H6C4O4(s) + Cr3+(aq) + H2O(l) , the change in the oxidation number of the chromium atom is


A) a decrease by six units.
B) a decrease by three units.
C) an increase by three units.
D) an increase by five units.
E) an increase by eight units.

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