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Chemical Reaction Engineering

Chemical Reaction Engineering
The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions.

Autocatalytic
Autothermal
Endothermic
Exothermic

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Chemical Reaction Engineering
A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be

0.5τ
τ/0.693
0.693τ
2τ

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Chemical Reaction Engineering
The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called

Selectivity
Operational yield
None of these
Relative yield

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Chemical Reaction Engineering
The following gas phase reactions are carried out isothermally in a CSTR.A → 2R ; r₁ = K₁pA ;K₁ = 20mole/(sec.m³ bar)A → 3S ; r₂ = K₂ pA ;K₂ = 40mole/ (sec.m³ .bar)What is the maximum possible value of FR(mole/sec.) ?

43864
43833
43832
2

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Chemical Reaction Engineering
Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

None of these
Activation energy
Heat of reaction
Equilibrium constant

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Chemical Reaction Engineering
__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

N₂
CO₂
He
H₂

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