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February 2019

The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be _______________ times?

Chemical Reaction /
The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be _______________ times?

A. 4
B. 16
C. 8
D. 2

The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be _______________ times? Read More »

Chemical Reaction

The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is __________________?

Chemical Reaction /
The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is __________________?

A. 0
B. 1
C. 1.5
D. 2

The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is __________________? Read More »

Chemical Reaction

The preferred reacting system for oxidation of o-xylene to phthalic anhydride is _____________________?

Chemical Reaction /
The preferred reacting system for oxidation of o-xylene to phthalic anhydride is _____________________?

A. Jacketed liquid phase CSTR
B. Jacketed steam heated multitubular reactor
C. Multitubular reactor with cooling
D. Multistage multitubular reactor with interstage cooling

The preferred reacting system for oxidation of o-xylene to phthalic anhydride is _____________________? Read More »

Chemical Reaction

The gas phase reaction 2A ⇌ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is _______________________?

Chemical Reaction /
The gas phase reaction 2A ⇌ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is _______________________?

A. 2/3
B. 5/8
C. 1/3
D. 3/8

The gas phase reaction 2A ⇌ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is _______________________? Read More »

Chemical Reaction