3) What is the overall order of the following reaction, given the rate law? 2NO(

Question

3) What is the overall order of the following reaction, given the rate law? 2NO(g) + H2(g) N2(g) +2H2O(g) Rate-k[NO2[H2] A) 0th order B) 1st order C 2nd order D) 3rd order 4) Given the following rate law, how does the rate of reaction change if the concentration of Y is doubled? Rate k [XIry2 A) The rate of reaction will increase by a factor of 2. B) The rate of reaction will decrease by a factor of 2. C) The rate of reaction will increase by a factor of 4. D) The rate of reaction will remain unchanged.

Explanation / Answer

2. in rate law, power of NO is 2 and power of H2 is 1.

order is sum of all powers so it is 3rd order reaction

3. rate is directly proportional to the square of conncentration of Y so if Y gets doubled,rate will be 4 times.

so option C.

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