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Chemical Reaction Engineering

Chemical Reaction Engineering
Collision theory gives the rate constant for bimolecular reaction as

None of these
K α eE/RT
K α e-E/RT
K α √T.e-E/RT

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Chemical Reaction Engineering
A typical example of an exothermic reversible reaction conducted at high pressure in industry is

Methanol synthesis
Reformation of methane
Polymerisation of ethylene
Dehydration of ethanol

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Chemical Reaction Engineering
For series reaction, the relative yield

Statement in A is wrong
Is always greater for plug-flow reactor than for the single CSTR of the same volume
Decreases with increasing conversion
Both A and C hold good

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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

0.5
Data insufficient, can't be predicted
0.33
1

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Chemical Reaction Engineering
At a given temperature, K₁, K₂ and K3 are equilibrium constants for the following reactions 1, 2, 3 respectively. CH₄(g) + H₂O(g) ⇋ CO(g) + 3H₂(g), CO(g) + H₂O(g) ⇋ CO₂(g) + H₂(g) CH₄(g) + 2H₂O(g) ⇋ CO₂(g) + 4H₂(g) Then K₁, K₂ and K3 are related as:

K3 = K₁.K₂
K3 = (K₁.K₂)2
K3 = (K₁.K₂)0.5
K3(K₁+K₂)/2

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Chemical Reaction Engineering
Kinetics of a catalytic reaction can be best studied on a/an __________ reactor.

Integral (plug flow)
Mixed
Differential (flow)
Either A, B and C

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