Chemistry, 11.02.2022 06:10 KyiahDenise

The rate law for the reaction 2H 2 + 2NO -arrow - N2 + 2H2O
Is rate =k[H2][NO]^2. Which of the following mechanisms can be ruled out on a basis of the observed rate expression?
Mechanism 1
H2 +NO arrow H2O + N. (Slow)
N + NO arrow N2 + O. (Fast)
O + H2 arrow H2O. (Fast)
Mechanism 2
H2 + 2 NO arrow N2O + H2O (slow)
N2O + H2 arrow N2 + H2O. (Fast)
Mechanism 3
2 NO = N2O2. (Fast equilibrium )
N2O2 + H2 arrow N2O + H2O. (Slow)
N2O + H2 arrow N2 + H2O. (Fast)

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The rate law for the reaction 2H 2 + 2NO -arrow - N2 + 2H2O
Is rate =k[H2][NO]^2. Which of t...