Chemical Reaction Engineering Specific rate constant for a second order reaction Depends on the nature of the reactants Is independent of temperature Varies with temperature Both B and C Depends on the nature of the reactants Is independent of temperature Varies with temperature Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method can be used to determine the __________ of a porous catalyst. Pore volume All of these Solid density Surface area Pore volume All of these Solid density Surface area ANSWER DOWNLOAD EXAMIANS APP
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 If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED) where ED is activation due to diffusion (E + ED)/2 ED/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion (E + ED)/2 ED/2 The intrinsic activation energy E ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is Surface reaction between absorbed A and absorbed B Desorption of C Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B Desorption of C Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering On application of pressure to the equilibrium system, ice ⇋ water; which of the following phenomenon will occur? More ice will be formed More water will be formed Equilibrium will not be attained Water will evaporate More ice will be formed More water will be formed Equilibrium will not be attained Water will evaporate ANSWER DOWNLOAD EXAMIANS APP
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