Intermediates in a reaction mechanism

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Intermediates in a reaction mechanism

Postby Lauren_Johnston_3F » Sun Feb 19, 2017 9:01 pm

The reaction NO2(g) + CO(g) → NO(g) + CO2(g) is thought to occur by the following mechanism:
Step 1: NO2(g) + NO2(g) → NO3(g) + NO(g)
Step 2: NO3(g) + CO(g) → NO2(g) + CO2(g)
Which of the following species is an intermediate?
a. NO2 d. CO2
b. NO e. This mechanism has no intermediates.
c. NO3

Mindy Zhang 3F
Posts: 10
Joined: Wed Sep 21, 2016 2:55 pm

Re: Intermediates in a reaction mechanism

Postby Mindy Zhang 3F » Sun Feb 19, 2017 9:19 pm

C. NO3 would be an intermediate since it doesn't appear in the reaction given by the problem. It is produced in step 1 and subsequently used in step 2.

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