TS EAMCET Medical 10 AUG 2021 Shift 1 Paper

The reaction 2SO2(g)+02(g)⇌2SO3(g) was carried out in a closed vessel of 1L capacity at a suitable temperature (initial concentrations of SO2 and O2 are 2 and 1 moles L respectively). At equilibrium, 1.6 moles of SO3(g) was found. The value of Kc at the same temperature is