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unit 1 has some reactions which are also needed in unit 4's period 3 and group 4 topic
Unit 2 and unit 4 both have some equilibria stuff, unit 4's stuff relates with Kp and Kc as well. Unit 1 and unit 4 both have stuff about bonding and structure.
Reply 3
I'm only allowed to do one of either unit 1 or 2 in January as a resit.... I got 68/90 in both...


Why? :confused:
Reply 4
I think you should choose unit 2, as the organics in that unit is useful later on the course.

Choose the unit you find hardest, so you can revise for these topics, which will certainly be found in further units.

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