(a) Define the term oxidation state. (b) Calculate the oxidation states of chromium and manganese in the following ions. (i) Chromium in Cr₂O₇^2- (ii) Manganese in...

(a) Define the term oxidation state.
(b) Calculate the oxidation states of chromium and manganese in the following ions.
(i) Chromium in Cr₂O₇^2-
(ii) Manganese in MnO₄^-

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(a) Oxidation sate is the charge carried by an ion of an element or a radical.
(b)i) 2x + 7(-2) = -2
2x-14=-2
2x=-2+14
2x=12
x=+6
ii) x + 4(-2)=-1
x-8=-1
x=-1+8
x=+7

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sharon kalunda answered the question on March 27, 2019 at 06:41

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