The possible mechanism for the reaction `2NO + 2H_(2) to N_(2) + 2H_(2)O` is i) `2NO ltimplies N_(2)O_(2)` ii) `N_(2)O_(2) + H_(2) overset("slow")to N

Question

The possible mechanism for the reaction `2NO + 2H_(2) to N_(2) + 2H_(2)O` is i) `2NO ltimplies N_(2)O_(2)` ii) `N_(2)O_(2) + H_(2) overset("slow")to N

The possible mechanism for the reaction
`2NO + 2H_(2) to N_(2) + 2H_(2)O` is
i) `2NO ltimplies N_(2)O_(2)`
ii) `N_(2)O_(2) + H_(2) overset("slow")to N_(2)O+H_(2)O`
iii) `N_(2)O + H_(2)O overset("fast")to N_(2) + H_(2)O`
a) What is rate law for the reaction?
b) What is the order of the reaction?
A. Rate =`[N_(2)O_(2)],"order"=1`
B. Rate`=[N_(2)O_(2)][H_(2)][H_(2)]"order"=2`
C. Rate `=[N_(2)O_(2)]^(2),"order"=2`
D. Rate `=[N_(2)O_(2)]^(2),"order"=3`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
The slowest step of the reaction is rate determining step `N_(2)O_(2) +H_(2)to N_(2)O+H_(2)O`
Rate of reaction ` =[N_(2)O][H_(2)]`
hence order og reaction = 2

5 views Answered 2023-02-05 15:29