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Chemical Reaction Engineering

Chemical Reaction Engineering
Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order.

First
Zero
Second
Third

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Chemical Reaction Engineering
For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium?

0.152
0.253
0.338
0.637

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Chemical Reaction Engineering
If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst

Porosity is very important
None of these
Porosity is of less importance
Internal surface area is utilised efficiently

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Chemical Reaction Engineering
A catalyst in a chemical reaction __________ free energy change in the reaction.

Increases
Neither A nor B
Either A or B; depends on the type of catalyst
Decreases

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Chemical Reaction Engineering
In a CSTR __________ varies with time.

Reaction rate
Concentration
Both A & B
Neither A nor B

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Chemical Reaction Engineering
An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the

0.80
1.60
2.67
1.33

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