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Chemical Reaction Engineering

Chemical Reaction Engineering
Photo-chemical reactions occur in presence of

Monochromatic radiation only
Sunlight
Darkness
Solid catalysts

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Chemical Reaction Engineering
The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy.

Threshold
Binding
Potential
Activation

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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

None of these
Relative yield
Operational yield
Selectivity

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Chemical Reaction Engineering
The residence time distribution of an ideal CSTR is

Τ exp (-t/τ)
Exp(-t/τ)
1/τ exp (-t/τ)
1/τ (-t/τ)

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Chemical Reaction Engineering
A back mix reactor is

Ideal at very low conversion
Suitable for gas phase reactions
Same as plug flow reactor (PFR)
Same as ideal stirred tank reactor

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Chemical Reaction Engineering
Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot?

CA0 Vs t1/2
Ln CA0 Vs ln t1/2
CA0 Vs ln t1/2
Ln CA0 Vs t1/2

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