Chemical Reaction Engineering
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.

Fixed
Fluidised bed reactor followed by a fixed
Fixed bed reactor followed by a fluidised
Fluidised

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Chemical Reaction Engineering
For a heterogeneous catalytic reaction

Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction
The catalyst does not form an intermediate complex with the reactant
A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important
The surface of the catalyst does not play an important role during reaction

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Chemical Reaction Engineering
A batch reactor is suitable for

Large scale gaseous phase reactions
Achieving cent percent conversion of reactants into products
Obtaining uniform polymerisation products in highly exothermic reactions
Liquid phase reactions

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Chemical Reaction Engineering
A CSTR is to be designed in which an exothermic liquid phase first order reaction of the type, A → R, is taking place. The reactor is to be provided with a jacket in which coolant is flowing. Following data is given: CA0= 5 kmole/m³ ; XA = 0.5; Feed temperature = reactor temperature = 40°C. Rate constant at 40°C = 1 min⁻¹ ; (ΔH) = - 40kJ/mole; ρ = 1000kg/m³ CP = 4 J/gm.°C ; q = 10⁻³ m³/min (ρ and CP are same for the reactant and product streams). The amount of heat to be removed is

4kW
2/3 kW
1kW
5/3 kW

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