JEE Main 2016 Chemistry 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. for this reaction is?
Answer: (1)
Solution
The equilibrium is
XY(s) X(g) + Y(g),
and a pure solid does not appear in the equilibrium expression, so . Because the container was evacuated beforehand, the only gases present come from the decomposition, and the
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