Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Decreases Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the Heat of reaction None of these Activation energy Equilibrium constant Heat of reaction None of these Activation energy Equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by Diffusion within the pellet None of these External mass transfer Reaction Diffusion within the pellet None of these External mass transfer Reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Higher free energy of activation of a chemical reaction (at a given temperature) implies Higher equilibrium conversion Higher rate of reaction Both B and C Slower rate of reaction Higher equilibrium conversion Higher rate of reaction Both B and C Slower rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to Lose a proton Lose an electron None of these Gain a proton Lose a proton Lose an electron None of these Gain a proton ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its Porosity None of these Surface area Sensitivity Porosity None of these Surface area Sensitivity ANSWER DOWNLOAD EXAMIANS APP
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