A closed container contains equal number of moles of two gases $$X$$ and $$Y$$ at a total pressure of $$710\,mm$$ of $$Hg.$$ If gas $$X$$ is removed from the mixture, the pressure will
A.
become double
B.
become half
C.
remain same
D.
become one-fourth.
Answer :
become half
Solution :
$$PV = nRT.$$ Keeping other conditions same, if $$n$$ becomes half, the pressure will become half.
Releted MCQ Question on Physical Chemistry >> States of Matter Solid, Liquid and Gas
Releted Question 1
Equal weights of methane and oxygen are mixed in an empty container at $${25^ \circ }C.$$ The fraction of the total pressure exerted by oxygen is