The equilibrium expression for a chemical reaction is Keq = [NOBr]2/[NO]2[Br2]

What is the reaction?

2NO + Br2 2NOBr

2NO + Br2 2NOBr

Explanation:

From the question given, the equilibrium expression for the chemical reaction is

Keq = [NOBr]^2 / [NO]^2 [Br2]

The Equilibrium constant is simply defined as the ratio of the concentration of the products raised to their coefficient to that of the concentration of the reactants raised to their coefficient.

From the equilibrium expression given above, the following were obtained:

Products = > NOBr

Reactants = NO and Br2

The equation for the reaction is given as:

NO + Br2 NOBr

Putting their coefficients, we have:

2NO + Br2 2NOBr

Therefore, the reaction is:

2NO + Br2 2NOBr