Chemical Reaction Engineering Reactions with high activation energy are Always irreversible Temperature insensitive Very temperature sensitive Always reversible Always irreversible Temperature insensitive Very temperature sensitive Always reversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reverse reaction in a chemical equilibrium is favoured by the Increase in the concentration of one of the reactants None of these Increase in the concentration of oneof the products Removal of one of the products regularly Increase in the concentration of one of the reactants None of these Increase in the concentration of oneof the products Removal of one of the products regularly ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.24 2 1.6 2.5 2.24 2 1.6 2.5 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 11 4 22 2 11 4 22 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is 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 Half of the residence time of a reaction ANSWER DOWNLOAD EXAMIANS APP
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