Question

The solid XY decomposes into gaseous X and Y: XY(s) -> X(g) + Y(g) Kp = 4.1 (at 0 °C) If the reaction is carried out in a 22.4 L container, which initial amounts of X and Y will result in the formation of solid XY?

a) 5 mol X; 0.5 mol Y

b) 2.0 mol X; 2.0 mol Y

c) 1 mol X; 1 mol Y

d) none of the above