Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Decreases Remains unaffected Increases Can either increase or decrease (depends on the type of catalyst) Decreases Remains unaffected Increases Can either increase or decrease (depends on the type of catalyst) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Temperature Pressure Both A & B Neither A nor B Temperature Pressure Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. He H₂ CO₂ N₂ He H₂ CO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Increases Decreases Changes unpredictably Remains unaltered Increases Decreases Changes unpredictably Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Oil is hydrogenated using nickel catalyst in a __________ reactor. Fluidised bed Batch Fixed bed Slurry Fluidised bed Batch Fixed bed Slurry ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure and composition only Pressure and temperature only Pressure, temperature and composition Temperature and composition only Pressure and composition only Pressure and temperature only Pressure, temperature and composition Temperature and composition only ANSWER DOWNLOAD EXAMIANS APP
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