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Chemical Reaction Engineering

Chemical Reaction Engineering
For the reaction, A + B → 2B + C,

rA = rB/2
rA = rB
rA = 2rB
rA = -rB

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Chemical Reaction Engineering
Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

12
18
24
6

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Chemical Reaction Engineering
The equilibrium constant K of a chemical reaction depends on

Temperature and pressure
Pressure only
Ratio of reactants
Temperature only

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Chemical Reaction Engineering
A backmix reactor

Is same as plug-flow reactor
Is same as ideal stirred tank reactor
Employs mixing in axial direction only
Is most suitable for gas phase reaction

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Chemical Reaction Engineering
An autothermal reactor is

Isothermal in nature
Most suitable for a second order reaction
Most suitable for a reversible reaction
Completely self-supporting in its thermal energy requirements

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Chemical Reaction Engineering
For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times.

32
8
12
16

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