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Chemical Reaction Engineering

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

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

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Chemical Reaction Engineering
Which of the following chemical reactions will be favoured by low pressure ?

2HI ⇋ H₂ + I₂
N₂ + O₂ ⇋ 2NO
N₂O₂ ⇋ 2NO₂
None of these

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Chemical Reaction Engineering
Variables affecting the rate of homogeneous reactions are

Temperature and composition only
Pressure and composition only
Pressure and temperature only
Pressure, temperature and composition

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

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

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

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Chemical Reaction Engineering
The dispersion number of perfect mixed flow is

> 150
< 2100
∞

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