Reaction BaO _2 (s) BaO(s) + O _2 (g) ; H = + ve. In equilibrium condition. Pressure of O _2 depends on :

NEET 2002 Chemistry question

Reaction ; = + ve. In equilibrium condition. Pressure of depends on :

(1)Increase mass of
(2)Increase mass of BaO
(3)Increase temp. on Eq.Correct
(4)Increase mass of and BaO both

Answer: (3)

Solution

For this heterogeneous equilibrium the activities of the pure solids and BaO are constant (unity), so . The equilibrium pressure of therefore depends only on the equilibrium constant, which depends only on

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Question ID VK-088987