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ChemistrySingle correct+4 / -1Question 39 of 90

JEE Main 2014 · 6 Apr · Shift 1, Chemistry question 39

For the reaction SOX2(g)+12 OX2(g)⇌SOX3(g)\ce{SO2(g) + 1/2 O2(g) <=> SO3(g)}, if KP=KC(RT)xK_P=K_C(RT)^x where the symbols have usual meaning then the value of xx is : (assuming ideality)

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Answer and worked solution

Official answer: B

x=Δng=1−(1+12)=−12x=\Delta n_g=1-\left(1+\frac12\right)=-\frac12.

Topics:Law of mass action and Kc, Kp
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