Nitric oxide (NO) decomposes on the surface of a heterogeneous catalyst to form N2 and O2. A plot of 1/[NO] vs. time is linear. The reaction is:
A)Third order in NO.
B)Zero order in NO.
C)The reaction order cannot be determined without more data.
D)First order in NO.
E)Second order in NO.
answer : E) Second order in NO.
Explanation :
2 NO --------------> N2 + O2
here the plot of 1 / [NO] vs. time is linear. so this is second order in NO.
for zero order the plot of [NO] vs. time is curved line.
for first order the plot of ln [NO] vs. time is slightly curved line.
in second order the plot of 1 / [NO] vs. time is straight line.
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