A mixture of 0.3mole of H₂ and 0.3mole of I₂ is allowed to react in a 10 litre evacuated flask at 500°C. The reaction is H₂ + I₂ → 2HI, the K is found to be 64. The amount of unreacted I at equilibrium is___
o 0.15 mole
o 0,06 mole
o 0.03 mole
o. 0,2 mole