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Chemical Reaction Engineering

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

Temperature only
Ratio of reactants
Pressure only
Temperature and pressure

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Chemical Reaction Engineering
The half life period of a first order reaction is given by (where, K = rate constant. )

2.5 K
6.93 K
1.5 K
0.693/K

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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
16
12
8

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Chemical Reaction Engineering
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.

Proportional to the square of
Independent of
Proportional to
Inversely proportional to

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Chemical Reaction Engineering
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to

Gain a proton
Gain an electron
None of these
Lose a proton

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Chemical Reaction Engineering
Half-life period for a first order reaction is __________ the initial concentration of the reactant.

Inversely proportional to
Independent of
Directly proportional to
None of these

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