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b(i) the eaquation says 3Cl-
You are asked to write electronic structure for Fe and Fe3+. [Ar] means Electronic structure of argon, so u need to write electronic structure of Fe and Fe3+ after 3p6
It's asking the electronic structure.You need to complete the configuration.
o.o same time
Welcomeohk thanks a lot
could you explain 2(b)(iv) also from that paper?
According to me, its just standared states that we need to keep in mind...
you need the AS part also as there are many questions from AS in paper 4, especially from organic chemistry
Yep ... just use the rate equation you found out in the previous answer
Just get the A2 bit (most which is repeated from the old book) - transition elements has additions in A2 chapter and infra-red spectroscopy from AS
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