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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

Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?

Chemical Reaction /
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?

A. Temperature should be high in the beginning and decreased towards the end of the reaction
B. Very low temperature should be used throughout the reaction
C. Very high temperature should be used throughout the reaction
D. None of these

Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ? Read More »

Chemical Reaction