A solid XY kept in an evacuated sealed container undergoes decomposition to form a mixture of gases X and Y at temperature T . The equilibrium pressure is 10 bar in this vessel. K p for this reaction is?

Question

A solid XY kept in an evacuated sealed container undergoes decomposition to form a mixture of gases X and Y at temperature T . The equilibrium pressure is 10 bar in this vessel. K p for this reaction is?, 25, 100, 10, 5

MARKS App · Accepted Answer

XY ⇌ X ( S ) ( g ) + Y ( g ) P eq = P x + P x = 10 ⇒ P x = 5 K p = P x . ( P y ) = 5 × 5 = 25

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