Chemical Engineering MCQs

Page No. 567

Reaction rate of a first order reaction, which is half completed in 23 minutes will be _________________?


a0.03 sec-1

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b0.03 min-1

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c0.03 hr-1

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d0.05 min-1

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View Answer 0.03 min-1

The reaction in which the rate equation corresponds to a stoichiometric equation, is called a/an _______________ reaction?


aElementary

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bNon-elementary

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cParallel

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dAutokinetic

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View Answer Elementary

Chemical kinetics can predict the _______________ of a chemical reaction?


aRate

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bFeasibility

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cBoth A. & B.

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dNeither A. nor B.

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View Answer Rate

A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to _________________?


aLose a proton

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bGain a proton

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cLose an electron

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dNone of these

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View Answer Lose a proton

The reactions with low activation energy are _____________________?


aAlways spontaneous

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bSlow

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cFast

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dNon-spontaneous

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View Answer Fast

Rate of an autocatalytic chemical reaction is a function of ___________________?


aTemperature only

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bPressure only

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cComposition only

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dAll A., B. and C.

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View Answer All A., B. and C.

Oil is hydrogenated using nickel catalyst in a __________________ reactor?


aBatch

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bSlurry

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cFluidised bed

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dFixed bed

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View Answer Slurry

The reaction in which one of the products of reaction acts as a catalyst is called a/an ______________ reaction?


aBiochemical

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bPhotochemical

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cCatalytic

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dAutocatalytic

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View Answer Autocatalytic

Which of the following is not endothermic in nature ?


aCombustion of sulphur

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bGasification of carbon

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cThermal cracking of fuel oil

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dSteam reforming of naphtha

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View Answer Combustion of sulphur

Differential method for analysing the kinetic data is used ___________________?


aFor testing complicated mechanisms

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bWhen the data are scattered

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cWhen rate expressions are very simple

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dNone of these

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