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Chemical Reaction Engineering

Chemical Reaction Engineering
The vessel dispersion number (D/μL) for plug flow is

750
∞
500

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Chemical Reaction Engineering
Photochemical reaction rate does not depend significantly on temperature, because

It is an exothermic reaction
It is a reversible reaction
The energy of reacting molecules exceeds the activation energy by absorption of light
None of these

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Chemical Reaction Engineering
For a first order chemical reaction, the rate constant

Changes on changing the concentration units
Has unit of time⁻¹
None ofthese
Is not a function of the unit of time

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

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

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Chemical Reaction Engineering
B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm.

Tempkin
Langmuir
Freundlich
None of these

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Chemical Reaction Engineering
An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is

Maximum at the centre of the reactor
Constant throughout the reactor
Maximum at the exit of the reactor
Maximum at the inlet of the reactor

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