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cobalt chemistry

After doing some practice questions on pmt, I realised quite a fe cobalt chemistry questions kept coming up, apart from the basic reactions fo cobalt e.g. with NH3 and excess NH3, must I know more for aqa level chemistry?
Reactions with CO3^2-, OH- and excess OH-

Those tend to be the main ones on the spec
Reply 2
for aqa, there is a teaching guidance sheet. the version i use to revise is attached and colours are not required knowledge, but the newest version (v1.4) (google aqa a level chem aqueous reactions, first pdf that comes up) doesnt have any cobalt reactions on it
hope that helps :smile:

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