JEE Main Chemistry question

1.1 mole of A are mixed with 2.2 mole of B and the mixture is kept in a one litre flask till the equilibrium A+2B⇌2C+D is attained. At equilibrium, 0.2 mole of C are formed. The equilibrium constant of the reaction is:

• (A)0.001Correct
• (B)0.002
• (C)0.003
• (D)0.004