Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Inversely proportional to Proportional to the square of Proportional to Independent of Inversely proportional to Proportional to the square of Proportional to Independent of ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction It is a reversible reaction None of these The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction It is a reversible reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Large reactor followed by smaller one Data insufficient, can Smaller reactor followed by larger one Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Data insufficient, can Smaller reactor followed by larger one Either of the arrangement A or B will give the same yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If 'n' is the order of reaction, then unit of rate constant is (time)n - 1 (concentration) 1/(time)(concentration)n - 1 None of these (time)-1 (concentration)n - 1 (time)n - 1 (concentration) 1/(time)(concentration)n - 1 None of these (time)-1 (concentration)n - 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to Lose a proton Gain a proton Gain an electron None of these Lose a proton Gain a proton Gain an electron None of these ANSWER DOWNLOAD EXAMIANS APP