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JEE MainChemistryModeratePhysical Chemistry

2 mole each of SO_3, CO, SO_2 and CO_2 is taken in a one lit.
Vessel. If KC for
SO3(g)+CO(g)⇌SO2(g)+CO2(g){SO}_{3}(g) + CO(g) \rightleftharpoons {SO}_{2}(g) + {CO}_{2}(g). Is

Show answer and solution
SO3(g)+CO(g)⇌SO2(g)+CO2(g){SO}_{3}(g) + CO(g) \rightleftharpoons {SO}_{2}(g) + {CO}_{2}(g)
9=(2+x2−x)29 = \left( \frac{2 + x}{2 - x} \right)^{2}
2 2 2 2
2+x 2+x 2-x 2-x x = 1
n_eq = 3 + 3 + 1 + 1 = 8 n(SO_3) + n(CO_2) = 4
n(SO2)n(CO)=12<1\frac{n\left( {SO}_{2} \right)}{n(CO)} = \frac{1}{2} < 1
Therefore, (D) option is correct.

Source: Grass-G / CH-24 Chemistry Paper 31 Dec..docx

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