Chemical Reaction Engineering Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure? Freundlich adsorption isotherm Langmuir adsorption isotherm Adsorption isobar None of these Freundlich adsorption isotherm Langmuir adsorption isotherm Adsorption isobar None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Are cycles per unit time Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Depend on the order of the reaction Are cycles per unit time Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Depend on the order of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Deposited Stability Chemisorbed Selectivity Deposited Stability Chemisorbed Selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following chemical reactions will be favoured by low pressure ? N₂ + O₂ ⇋ 2NO N₂O₂ ⇋ 2NO₂ None of these 2HI ⇋ H₂ + I₂ N₂ + O₂ ⇋ 2NO N₂O₂ ⇋ 2NO₂ None of these 2HI ⇋ H₂ + I₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is 1 -0.25 -0.5 1 -0.25 -0.5 ANSWER DOWNLOAD EXAMIANS APP