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Chemical Kinetics

Question

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What is the rate and order of a reaction of the mechanism is
$2 NO + H_{2} \to N_{2} + H_{2} O_{2} (slow)$

Following by $H_{2} O_{2} + H_{2} \to 2 H_{2} O$ (fast)

Solution

The rate of reaction depend on the slowest step thus

R a t e = k {[NO]}^{2} [H_{2}]

Order of reaction is 2+1 =3

Some More Questions From Chemical Kinetics Chapter

The conversion of molecules X to Y follows second order kinetics. If concentration of X is increased to three times how will it affect the rate of formation of Y?

What will be the effect of temperature on rate constant?

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