When we double the quantities of reactants and products in a reaction, the value of the equilibrium constant remains the same.
K = [P]/[R]
where,
[P] is the concentration of the product.
[R] is the concentration of reactant.
If we double the quantities of reactants and products in the final concentration it'll become
[R]2=2×[R]1 and [P]2=2×[P]1
Now at initial stage
K1 = [P1]/[R1]
at final stage after doubling the products
K2=[P2]/[R2]
Putting the given values
K2/K1 = 2×[P1]×[R1]/2×[R1]×[P1]
K2/K1=2/2
K2/K1=1
K2=K1
So, the value of equilibrium constant remains same.
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