Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Increase in the number of effective collisions Decrease in activation energy None of these Increase in the average kinetic energy of the reacting molecules Increase in the number of effective collisions Decrease in activation energy None of these Increase in the average kinetic energy of the reacting molecules ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is lower Entropy changes Initial concentration of the reactants remains constant Free energy of activation is higher Free energy of activation is lower Entropy changes Initial concentration of the reactants remains constant Free energy of activation is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The molecularity and the order of reaction respectively, for the hydrolysis of methyl acetate in presence of acids are 11 & 2 2 && 2 1 & 1 2 & 1 11 & 2 2 && 2 1 & 1 2 & 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt At the outlet Averaged over the inlet and outlet At the inlet In the reactor At the outlet Averaged over the inlet and outlet At the inlet In the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 1.5 K 0.693/K 2.5 K 6.93 K 1.5 K 0.693/K 2.5 K 6.93 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A plug-flow reactor is characterised by Presence of axial mixing Presence of lateral mixing Constant composition and temperature of reaction mixture High capacity Presence of axial mixing Presence of lateral mixing Constant composition and temperature of reaction mixture High capacity ANSWER DOWNLOAD EXAMIANS APP
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