Chemical Reaction Engineering A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. None of these Photochemical Autocatalytic Catalytic None of these Photochemical Autocatalytic Catalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 1.33 2.67 0.80 1.60 1.33 2.67 0.80 1.60 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A backmix reactor Employs mixing in axial direction only Is same as plug-flow reactor Is same as ideal stirred tank reactor Is most suitable for gas phase reaction Employs mixing in axial direction only Is same as plug-flow reactor Is same as ideal stirred tank reactor Is most suitable for gas phase reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. May be greater or less than Is always greater than Is always equal to Is always less than May be greater or less than Is always greater than Is always equal to Is always less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E E + ΔHA ΔHA + ΔHR E + ΔHA - ΔHR E E + ΔHA ΔHA + ΔHR E + ΔHA - ΔHR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a theory of homogeneous reaction? Radiation hypothesis Chain reaction theory Collision theory and activated complex theory None of these Radiation hypothesis Chain reaction theory Collision theory and activated complex theory None of these ANSWER DOWNLOAD EXAMIANS APP
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