Phosphorus pentachloride dissociates as follows, in a closed reaction vessel. PCl5(g) ⇌ PCl3(g) + Cl2(g)If total pressure at equilibrium of the reaction mixture is P and degree of dissociation of PCl5 is x, the partial pressure of PCl3 will be

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Phosphorus pentachloride dissociates as follows, in a closed reaction vessel.

PCl₅(g) ⇌ PCl₃(g) + Cl₂(g)

If total pressure at equilibrium of the reaction mixture is P and degree of dissociation of PCl₅ is x, the partial pressure of PCl₃ will be

$\left(\dfrac{x}{x + 1}\right)P$

$\left(\dfrac{2x}{1 – x}\right)P$

$\left(\dfrac{x}{x – 1}\right)P$

$\left(\dfrac{x}{1 – x}\right)P$

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The K_sp for Cr(OH)₃ is 1.6 × 10^–30. The molar solubility of this compound in water is

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