What will happen if more heat is applied to the following system at equilibrium? X2(g) + 3Y2(g) ⇌ 2XY3(g); ∆H =-kJmol -1

A. the yield of XY3 will decompose
B. more of XY3 will decompose
C. More of X2 will react
D. the forward reaction will go to completion

Correct Answer: Option B

B. more of XY3 will decompose