Determining if a reaction mechanism is feasible


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claudia_1h
Posts: 111
Joined: Fri Aug 09, 2019 12:16 am

Determining if a reaction mechanism is feasible

Postby claudia_1h » Sat Mar 14, 2020 3:50 pm

Can someone tell me the conditions that we use to check if a proposed reaction mechanism is possible/feasible? i.e. the conditions it must meet

Joseph Saba
Posts: 154
Joined: Thu Jul 11, 2019 12:16 am

Re: Determining if a reaction mechanism is feasible

Postby Joseph Saba » Sat Mar 14, 2020 3:53 pm

One way is to see if the slow step rate law matches the overall rate law. Remember that no matter the substitutions u may have to make for intermediates, the rate law will have the same order no matter what.

claudia_1h
Posts: 111
Joined: Fri Aug 09, 2019 12:16 am

Re: Determining if a reaction mechanism is feasible

Postby claudia_1h » Sat Mar 14, 2020 4:07 pm

Remember that no matter the substitutions u may have to make for intermediates, the rate law will have the same order no matter what.


Can you explain what you mean by this?

Jessica Chen 2C
Posts: 103
Joined: Thu Jul 11, 2019 12:17 am

Re: Determining if a reaction mechanism is feasible

Postby Jessica Chen 2C » Sat Mar 14, 2020 11:00 pm

I’m not 100% sure but I think they mean that you should always check that the rate law has the same order. When using K to find concentrations for intermediates, it can be easy to make mistakes while substituting, so just check that it’s done right by making sure the order matches.


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