Category «Engineering Chemistry»

Chemical Equilibrium MCQs – 3

1) The active mass of 64 g of HI in a 2 litre flask would be a) 0.25 b) 0.50 c) 1.0 d) 2.0 2) The factor that changes the equilibrium constant of the reaction A2(g) + B2(g) 2AB is a) Total pressure b) c) Temperature d) The presence of a catalyst 3) The reaction that proceeds …

Chemical Equilibrium MCQs – 1

1) For the gaseous equilibrium, H2 + X2 + heat 2HX, the formation of HX is favoured by a) High pressure and low temperature b) High temperature c) Low temperature and high pressure d) High temperature and low pressure 2) Which favours the backward reaction in a chemical equilibrium ? a) Increasing the concentration of …

Chemical Equilibrium MCQs – 2

1) The active mass of 96g of O2 contained in a 2 litre vessel is a) 16 moles/litre b) 1.5 moles/litre c) 4 moles/litre d) 24 moles/litre 2) In a chemical equilibrium te rate constant of the forward reaction is 7.5 10-4 and the equilibrium constant is 1.5. What is the rate constant of the …