Rate determining step help?

I don’t understand how you are meant to know which step is the slowest or fastest. Can anyone help?

E:g: This:

Attachment not found

(edited 4 years ago)

Your attachment doesn't work.

Your attachment doesn't work.

It says:
A + B = AB
AB + B = AB^2
AB^2 + B = AB^3

How do you know which step would be rate determining generally?

It says:
A + B = AB
AB + B = AB^2
AB^2 + B = AB^3

How do you know which step would be rate determining generally?

Are A and B atoms or can they be any compounds? Do you have any other information in the question or from previous question?

Rate determining step will appear in the rate equation.

Rate determining step will appear in the rate equation.

Ah got it, thank you :smile:

How easy is it to switch courses once I’m at university?

Edexcel A-Level Economics Paper 1 - Unofficial Mark Scheme - 18 May 2023

Writing an economics personal statement: expert advice from universities

Finding accommodation in Clearing