9 Hydrogen iodide dissociates into hydrogen and iodine.
2HI(g) (double arrow) H₂(g) + I2(g)
In an experiment, bmol of hydrogen iodide were put into a sealed vessel at pressure p. At
equilibrium, xmol of the hydrogen iodide had dissociated.
Which expression for K, is correct?
x²p²
(b-x)²
A
x²
(b-x)²
B
C
x²p²
4b(b-x)
4(b-x)²
अर
(b-2)²
