Question

The value of Kp for the reaction, A(g)+2B(g)⇌C(g) is 25atm−2 at a certain temperature. The value of Kp for the reaction, 1/2C(g)⇌1/2A(g)+B(g) at the same temperature would be:
A. 25 atm⁻¹
B. 1/25atm⁻¹
C. 1/5atm
D. 5atm