Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Chemical Reaction
→
The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ?
Related MCQs
Arrhenius equation shows the variation of __________ with temperature?
The rate constant of a chemical reaction increases by increasing the__________?
What is the dispersion number for a CSTR ?
Catalyst is a substance, which __________ chemical reaction?
__________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst?
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of?
Following isothermal kinetic data are obtained in a basket type of mixed flow reactor for a porous catalyst. Determine the role of pore diffusion and external mass transfer processes ?
A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is__________?
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the__________?
Batch process is preferred over continuous process, when the__________?
Rate of a chemical reaction is not affected by the__________?
On application of pressure to the equilibrium system, ice ⇌ water; which of the following phenomenon will occur ?
B.E.T. method can be used to determine the __________ of a porous catalyst?
In an exothermic reaction, the energy of the reacting substances as compared to that of products is__________?
Semibatch reactor is preferred, when a/an__________?
The half life period ‘t’ of a zero order reaction as shown in the bellow figure, is equal to__________?
If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion?
Variables affecting the rate of homogeneous reactions are__________?
In a zero order reaction, reactants concentration does not change with time and the__________?
In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is__________?
Volume change for unimolecular type first order reaction as shown in the bellow figure, increases __________ with time?
Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation ?
An example of autothermal reactor operation is__________?
A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are__________?
__________ resistance is not involved in the combustion of a carbon particle?
The value of ‘n’ for a chemical reaction A → B, whose reaction rate is → CA n, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled?
A photochemical reaction is __________ light?
Participation of __________ is involved in the occurrence of a chemical reaction?
The first order series reaction as shown in the bellow figure is conducted in a batch reactor. The initial concentrations of A, B and C (CA0, CB0, CC0 respectively) are all non-zero. The variation of CB with reaction time will not show a maximum, if__________?
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume ?
The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ?
A. 0
B. 0.5
C. 1
D. 2
Correct Answer:
1
✔
Last Updated:
February 19, 2019