KEAM 2019 Physics and Chemistry Paper

CO+Cl2⇌COCl2
Initial moles

2

4

0

At equilibrium

2−x

4−x

x

At equilibrium one mole of CO is present
Therefore, 2−x=1 (given)
x=1
On substituting the value of x, we get
1 mole of CO=‌

1

10

; conc. of 1 mole of Cl2=‌

3

10

conc. of 1 mole of COCl2=‌

1

10

Using these value, in equilibrium constant reaction.