When MgCO3(s) is strongly heated, it produces solid MgO as gaseous CO2 is driven off. Does the oxidation number of carbon change upon the formation of CO2?

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asked Oct 21, 2015 15.2k views

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When MgCO3(s) is strongly heated, it produces solid MgO as gaseous CO2 is driven off.

Does the oxidation number of carbon change upon the formation of CO2?

Chemistry
high-school

Owenwater asked

by Owenwater

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$MgCO_3--^T-->MgO + CO_2\uparrow$

the oxidation number of carbon in MgCO3 = +IV
the oxidation number of carbon in CO2 = +IV

so, there is no change

Jenny D answered Oct 24, 2015

by Jenny D

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