Chemical Reaction Engineering Half life period of a chemical reaction is Half of the residence time of a reaction Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value None of these Half of the residence time of a reaction Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst inhibitor Lessens its selectivity May be useful for suppressing undesirable side reactions Is added in small quantity during the catalyst manufacture itself All of these Lessens its selectivity May be useful for suppressing undesirable side reactions Is added in small quantity during the catalyst manufacture itself All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Flat velocity profile Uniform mixing None of these Axial dispersion Flat velocity profile Uniform mixing None of these Axial dispersion 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 Gain a proton None of these Lose an electron Lose a proton Gain a proton None of these Lose an electron Lose a proton ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reverse reaction in a chemical equilibrium is favoured by the Removal of one of the products regularly Increase in the concentration of oneof the products Increase in the concentration of one of the reactants None of these Removal of one of the products regularly Increase in the concentration of oneof the products Increase in the concentration of one of the reactants None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Value of threshold energy decreases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Collision frequency increases Value of threshold energy decreases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Collision frequency increases ANSWER DOWNLOAD EXAMIANS APP
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