A reaction which is catalysed by a base is catalysed by all substances which have a tendency to_______________________?
A. Lose a proton
B. Gain a proton
C. Gain an electron
D. None of these
A. Lose a proton
B. Gain a proton
C. Gain an electron
D. None of these
A. Not feasible
B. Just feasible
C. Very much feasible
D. Unpredictable as ΔG is no measure of feasibility of a reaction
A. Homogeneous
B. Non-Homogeneous
C. Heterogeneous
D. Non-Heterogeneous
______________ catalytic reaction is involved in the thermal cracking of gas oil ? Read More »
Chemical Reaction A. (1/η) exp (-t/η)
B. η exp (-t/η)
C. exp (-t/η)
D. (1/η) (-t/η)
The residence time distribution of an ideal CSTR is _____________________? Read More »
Chemical Reaction A. Moles for med/(surface of catalyst) (time)
B. Moles formed/volume of reactor) (time)
C. Mole formed/volume of catalyst) (time)
D. None of these
Which of the following is not a unit of reaction rate ? Read More »
Chemical Reaction A. Zero order
B. Third order
C. Consecutive
D. None of these
A. Poor product quality control
B. High labour and handling cost
C. High shutdown time requirement for emptying, cleaning and refilling
D. All A., B. and C.
A batch reactor suffers from following disadvantage ? Read More »
Chemical Reaction A. Lessens its selectivity
B. May be useful for suppressing undesirable side reactions
C. Is added in small quantity during the catalyst manufacture itself
D. All A., B. and C.
A catalyst inhibitor____________________? Read More »
Chemical Reaction A. CaO is not dissociated
B. CO2 escapes continuously
C. Of high calcination temperature
D. CaO is more stable than CaCO3
A. Langmuir adsorption isotherm
B. Adsorption isobar
C. Freundlich adsorption isotherm
D. None of these