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What is equilibrium expression for the reaction

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What is equilibrium expression for the reaction

P4 + 5O2 ⇋ P4O10

(a)  Kc = [O2]5
(b)  Kc = [P4O10] / 5[ A][O2]
(c)  Kc = [P4O10] / [P4][O2]5
(d) Kc = 1/[O2]5
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1 Answer

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Best answer

Correct option (d) Kc = 1/[O2]5

Explanation:

we know that concentration of a solid component is always taken as a unity

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