Chemical Reaction Engineering Organic catalysts differ from the inorganic catalyst in the sense that the former is Active at very high temperature only Proteinous in nature Active at cryogenic temperatures only Prohibitively costly Active at very high temperature only Proteinous in nature Active at cryogenic temperatures only Prohibitively costly ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Decrease in activation energy Increase in the number of effective collisions None of these Increase in the average kinetic energy of the reacting molecules Decrease in activation energy Increase in the number of effective collisions None of these Increase in the average kinetic energy of the reacting molecules ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 2 4 11 22 2 4 11 22 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A Catalyst None of these Shortens the time to reach the equilibrium Changes the equilibrium constant of the reaction Increases the equilibrium concentration of the product None of these Shortens the time to reach the equilibrium Changes the equilibrium constant of the reaction Increases the equilibrium concentration of the product ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to 0.1 1 0.5 0.1 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt At the outlet At the inlet Averaged over the inlet and outlet In the reactor At the outlet At the inlet Averaged over the inlet and outlet In the reactor ANSWER DOWNLOAD EXAMIANS APP