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Chemical Reaction Engineering

Chemical Reaction Engineering
From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is

K cal/°K
K cal
K cal. °K
°K

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Chemical Reaction Engineering
A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?

Smaller reactor followed by larger one
Large reactor followed by smaller one
Data insufficient, can
Either of the arrangement A or B will give the same yield

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Chemical Reaction Engineering
Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

12
24
6
18

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

Catalytic
Photochemical
Autocatalytic
None of these

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Chemical Reaction Engineering
Rate of a chemical reaction is not influenced by the

Catalyst
Reactants concentration
Temperature
Number of molecules of reactants taking part in a reaction

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Chemical Reaction Engineering
Which of the following will give maximum gas conversion?

Fluidised bed reactor
Fixed bed reactor
Plug-flow catalytic reactor
Semi-fluidised bed reactor

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