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.Management Sciences
Category: Chemical Reaction
The order of a chemical reaction is__________________?
A. An experimentally determined quantity
B. Always equal to the total stoichiometric number of reactants
C. Never fractional
D. None of these
Rate of a chemical reaction is not influenced by the__________________?
A. Catalyst
B. Temperature
C. Reactants concentration
D. Number of molecules of reactants taking part in a reaction
Pick out the wrong statement ?
A. A catalyst does not alter the final position of equilibrium in a reversible reaction
B. A catalyst initiates a reaction
C. A catalyst is specific in reaction
D. A catalyst remains unchanged in chemical composition at the end the reaction
If ‘n’ is the order of reaction, then unit of rate constant is _________________?
A. 1/(time)(concentration)n – 1
B. (Time)-1 (concentration)n – 1
C. (Time)n – 1 (concentration)
D. None of these
The single parameter model proposed for describing non-ideal flow is the ____________ model?
A. Tank in series
B. Dispersion
C. Both A. & B.
D. Neither A. nor B.
Ionic reactions occur in____________________?
A. Solid state only
B. Liquid state only
C. Solutions
D. Any state
‘If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process’. The diffusivity under this condition is called ‘Knudsen diffusivity’, which is affected by the_____________________?
A. Pressure
B. Temperature
C. Both A. & B.
D. Neither A. nor B.
Which of the following does not produce a change in the value of rate constant of a reaction ?
A. Pressure
B. Temperature
C. Concentration and catalyst
D. None of these
An autothermal reactor is_________________?
A. Most suitable for a second order reaction
B. Most suitable for a reversible reaction
C. Completely self-supporting in its thermal energy requirements
D. Isothermal in nature
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