Related Questions

A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.
A Both conversion as well as concentration are same
B Conversion in both will be the same but concentrations will be different
C Both the conversion as well as concentrations will be different
D None of these
An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will
A Be more in CSTR than in PFR
B Be more in PFR than in CSTR
C Be same in both cases
D Depend on the temperature
With increase in initial concentration, the fractional conversion of a first order reaction in a given time
A Increases
B Decreases
C Remains constant
D Unpredictable
An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.
A Increase
B Increase exponentially
C Decrease
D Remain unchanged
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will
A Increase
B Decrease
C Remain same
D Data in insufficient; can't be predicted
The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to
A d
B $$\sqrt {\text{d}} $$
C d1.5
D d2
For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.
A Film diffusion
B Diffusion through ash layer
C Chemical reaction
D Either A, B or C
An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction
A Is maximum at the inlet of the reactor
B Goes through a maximum along the length of the reactor
C Goes through a minimum along the length of the reactor
D Is maximum at the exit of the reactor
In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is
A More
B Less
C Same
D Unpredictable; depends on the particular reaction
The irreversible reaction is a special case of reversible reaction, if the
A Equilibrium constant is 1
B Conversion of the reactant at equilibrium condition is zero
C Reactant concentration at equilibrium condition is zero
D All of the above

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