Assertion : If the equation for a reaction is reversed, the equilibrium constant is inverted and if the equation is multiplied by 2, the equilibrium constant is squared. Reason : The numerical value of equilibrium constant depends on the way the equation for the reaction is written.

When an equation is reversed, the equilibrium constant is reciprocated and if the equation is multiplied by 2 then the equilibrium constant equilibrium constant is squared because the numerical constant depends on the way the equation for the reaction is written. Hence, option (a) is the correct answer.