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Q. Average oxidation number of carbon in $C_{3}O_{2},Mg_{2}C_{3}$ are respectively

NTA AbhyasNTA Abhyas 2022

Solution:

Let the oxidation number of carbon be x then
$C_{3}O_{2}=3x-4=0$
x = 4/3
$Mg_{2}C_{3}=2\times 2+3x=0$
x = -3/4