Chemical Reaction Engineering - Study Mode

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[#211] 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:

(A) K3 = K₁.K₂

(B) K3 = (K₁.K₂) 0.5

(C) K3(K₁+K₂)/2

(D) K3 = (K₁.K₂)2

Correct Answer

(A) K3 = K₁.K₂

[#212] The catalytic activity of enzymes is due to their capacity to lower the __________ energy.

(A) Activation

(B) Potential

(C) Kinetic

(D) None of these

Correct Answer

(A) Activation

[#213] For a fluidised bed reactor, the most suitable/relevant model is a __________ model.

(A) Tank in series

(B) Bubbling bed

(C) Plug flow

(D) None of these

Correct Answer

(B) Bubbling bed

[#214] In a chemical reaction, __________ are conserved.

(A) Ions

(B) Masses

(C) Atoms

(D) Both B & C

Correct Answer

(D) Both B & C

[#215] With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion)

(A) Increases

(B) Decreases

(C) Remains same

(D) Increases linearly

Correct Answer

(A) Increases