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At high temperature the following equili...

At high temperature the following equilibria exist in a mixture of carbon, oxygen and their compounds :
`{:(C(s)+O_(2)(g)iffCO_(2)(g),,,,K_(1)=10^(-2)),(2C(s)+O_(2)(g)iff2CO(g),,,,K_(2)=10^(-3)),(C(s)+CO_(2)(g)iff 2CO(g),,,,K_(3)=x),(2CO(g)+O_(2)(g)iff2CO_(2)(g),,,,K_(4)=y):}`
What will the ratio of x & y?

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