Equilibrium

Equilibrium

Question

For the reaction,

SO subscript 2 space left parenthesis straight g right parenthesis space plus space 1 half space straight O subscript 2 space left parenthesis straight g right parenthesis space leftwards harpoon over rightwards harpoon space SO subscript 3 space left parenthesis straight g right parenthesis
if Kp = Kc (RT)x where the symbol has usual meaning then the value of x is (assuming ideality)

  • -1

  • -1/2

  • 1/2

  • 1

Answer

B.

-1/2

For  the given reaction, ∆ng = np-nR
where np = number of moles of products
nR = number of moles of reactants
Kp = Kc (RT)∆ng
∆ng = -1/2

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