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First Order Reaction

Partial press...

Question

Partial pressure of $O_{2}$ in the reaction
$2 {A g}_{2} O (s) ⇌ 4 A g (s) + O_{2} (g)$ is:

A

K_{p}

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B

\sqrt{K_{p}}

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C

\sqrt[3]{K_{p}}

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D

2 K_{p}

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Solution

The correct option is A $K_{p}$
Partial pressure of $O_{2}$ in the reaction
$2 {A g}_{2} O (s) ⇌ 4 A g (s) + O_{2} (g)$ is $K_{p}$ .
Note: The concentrations of solids (and pure liquids) do not appear in the expression for $K_{c}$ . Same is true for the expression for $K_{p}$

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