The Reaction 2NO₂ → 2NO + O₂

question 19

Multiple Choice

The reaction 2NO₂ → 2NO + O₂
Follows second-order kinetics.At 300 °C,[NO₂] drops from 0.0100 M to 0.00650 M in 100.0 s.The rate constant for the reaction is ________ M^-1s^-1.

• A)0.096
• B)0.65
• C)0.81
• D)1.2
• E)0.54

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