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Chemical Reaction Engineering

Chemical Reaction Engineering
Transition state theory relates the above quantities as

K ∝ T1.5
K ∝ e-E/RT
K ∝ T.eE/RT
K ∝ √T

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Chemical Reaction Engineering
Which of the following is a characteristic of an ideal plug flow reactor?

None of these
Flat velocity profile
Uniform mixing
Axial dispersion

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Chemical Reaction Engineering
What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction?

3
Zero
1
2

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Chemical Reaction Engineering
The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be

1
2
3

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Chemical Reaction Engineering
Space time equals the mean residence time

For large diameter tubular reactor
For CSTR
For narrow diameter tubular reactor
When the density of the reaction mixture is constant

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Chemical Reaction Engineering
A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be

2τ
0.693τ
τ/0.693
0.5τ

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