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Chemical Reaction Engineering

Chemical Reaction Engineering
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Autocatalytic
None of these
Photochemical
Catalytic

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Chemical Reaction Engineering
For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at

Low temperature in a PFR
High temperature in a PFR
High temperature in a CSTR
Low temperature in a CSTR

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Chemical Reaction Engineering
A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction.

More than
Equal to or more than
Equal to
Less than

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Chemical Reaction Engineering
The equilibrium constant K of a chemical reaction depends on

Temperature and pressure
Ratio of reactants
Temperature only
Pressure only

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Chemical Reaction Engineering
Given, 3H₂ + CO = CH₄ + H₂O, KP = 101.84 and, 4H₂ + CO₂ = CH₄ + 2H₂O, KP = 101.17the KP for the reaction CO + H₂O = CO₂ + H₂ is

10-3.01
L00.67
103.01
10-0.67

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Chemical Reaction Engineering
Space time equals the mean residence time

For large diameter tubular reactor
For CSTR
For narrow diameter tubular reactor
When the density of the reaction mixture is constant

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