In a semi-batch reactor __________________? A. Mixing takes place in axial direction onlyB. Velocity of reaction can be controlled C. Condition similar to plug flow reactor exists D. Residence time is constant
A catalyst loses its activity due to__________________? A. Loss in surface area of the active component B. Agglomeration of metal particles caused by thermal sintering of the solid surface C. Covering of the catalytic active sites by a foreign substanceD.…
Transition state theory relates the above quantities as___________________? A. k ∝ e-E/RTB. k ∝ T.eE/RT C. k ∝ √T D. k ∝ T1.5
The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is______________________? A. 0 B. 1C. 2 D. 3
Second order consecutive irreversible reaction as shown in the bellow figure, were carried out in a constant volume isothermal batch reactor with different initial feed compositions. Reactor temperature was same in all the cases. In experiments where the ratio of…
The fractional volume change of the system for the isothermal gas phase reaction, A → 3B, between no conversion and complete conversion is___________________? A. 0.5 B. 1C. 2 D. 3
For the chemical reaction P → Q, it is found that the rate of reaction doubles as the concentration of ‘P’ is doubled. If the reaction rate is proportional to Cp n, then what is the value of ‘n’ for…
The rate constant of a chemical reaction decreases by decreasing the____________________? A. Pressure B. Concentration of reactantsC. Temperature D. Duration of reaction
In an exothermic chemical reaction, the reactants compared to the products have__________________? A. Higher temperatureB. More energy C. Less energy D. Same energy
BET apparatus_______________________? A. Measures the catalyst surface area directly B. Operates at very high pressure C. Is made entirely of stainless steelD. None of these