In the formation of NO and O2 from NO2 the rate of production of:
A
NO and O2 are equal
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B
NO is double the rate of consumption of NO2
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C
NO is twice the rate of production of O2
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D
O2 is twice the rate of production of NO
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Solution
The correct option is CNO is twice the rate of production of O2 2NO2→2NO+O2 Upon examination of the reaction rates the following relationship is seen:
Rate of consumption of NO2 = Rate of production of NO = 2 (Rate of production of O2) This relationship relates to the coefficients of the reaction. The rate is twice as fast for NO2 and NO compared to O2 since the reaction has a coefficient of two for NO2 and NO and a coefficient of one for O2.