Chemical Reaction Engineering The catalytic activity of enzymes is due to their capacity to lower the __________ energy. Kinetic None of these Potential Activation Kinetic None of these Potential Activation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photo-chemical reactions occur in presence of Darkness Monochromatic radiation only Sunlight Solid catalysts Darkness Monochromatic radiation only Sunlight Solid catalysts ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Conversion increases with increase in temperature in case of a an __________ reaction. Reversible exothermic Irreversible Autocatalytic Reversible endothermic Reversible exothermic Irreversible Autocatalytic Reversible endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A. Surface reaction between A in the gas phase and absorbed B Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/second Moles/litre.second Litre/mole.second Litre/mole Litre/second Moles/litre.second Litre/mole.second Litre/mole ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction Decreases Increases Increases linearly with temperature Remains unaffected Decreases Increases Increases linearly with temperature Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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