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Chemical Reaction Engineering

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

0.693/K
1.5 K
6.93 K
2.5 K

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Chemical Reaction Engineering
A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to

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

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Chemical Reaction Engineering
A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

0.33
Data insufficient, can't be predicted
1
0.5

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Chemical Reaction Engineering
Slurry reactors are characterised by the

Neither A nor B
Lack of intraparticle diffusion resistance
Presence of two mobile phases
Both A and B

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Chemical Reaction Engineering
Molecularity of an elementary reaction, P + Q → R + S is

4
3
1
2

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Chemical Reaction Engineering
What is the dispersion number for a CSTR?

∞
< 1
0
1

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