Chemical Reaction

A. Reactions with high activation energies are very temperature sensitive
B. Chemical equilibrium is a static state
C. A photochemical reaction is catalysed by light
D. A chemical reaction occurs when the energy of the reacting molecule is less than the activation energy of the reaction

A. Chemical reactions with high activation energy are very temperature sensitive
B. A flat velocity profile exists in a plug flow reactor
C. The residence time for all the elements of fluid in case of a P.F.R. need not be same
D. Half life of a reaction increases with increased initial concentration for reaction orders more
than one

A. Elementary
B. Multiple
C. Autocatalytic
D. Non-elementary

A. Is independent of temperature
B. Varies with temperature
C. Depends on the nature of the reactants
D. Both B. and C.

A. Inner catalyst core of radius R/8 does not participate in reaction
B. Inner catalyst core of radius R/2 does not participate in reaction
C. Inner catalyst core of radius 7R/8 does not participate in reaction
D. Effectiveness factor for a zero order reaction cannot be 7/8 as it must always be 1

A. 1
B. 2
C. 3
D. 4

A. Nature of the reactants
B. Concentration of the reactants
C. Temperature at which the reaction is carried
D. All A., B. and C.

A. Methanol synthesis
B. Catalytic cracking
C. Ammonia synthesis
D. Oxidation of sulphur

A. 5°C
B. 10°C
C. 20°C
D. 100°C

A. Backmix reactor
B. Plug flow reactor
C. Series of CSTR
D. PFR in series