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


b0.03 min-1


c0.03 hr-1


d0.05 min-1


View Answer 0.03 min-1

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


aElementary


bNon-elementary


cParallel


dAutokinetic


View Answer Elementary

Chemical kinetics can predict the _______________ of a chemical reaction?


aRate


bFeasibility


cBoth A. & B.


dNeither A. nor B.


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


bGain a proton


cLose an electron


dNone of these


View Answer Lose a proton

The reactions with low activation energy are _____________________?


aAlways spontaneous


bSlow


cFast


dNon-spontaneous


View Answer Fast

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


aTemperature only


bPressure only


cComposition only


dAll A., B. and C.


View Answer All A., B. and C.

Oil is hydrogenated using nickel catalyst in a __________________ reactor?


aBatch


bSlurry


cFluidised bed


dFixed bed


View Answer Slurry

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


aBiochemical


bPhotochemical


cCatalytic


dAutocatalytic


View Answer Autocatalytic

Which of the following is not endothermic in nature ?


aCombustion of sulphur


bGasification of carbon


cThermal cracking of fuel oil


dSteam reforming of naphtha


View Answer Combustion of sulphur

Differential method for analysing the kinetic data is used ___________________?


aFor testing complicated mechanisms


bWhen the data are scattered


cWhen rate expressions are very simple


dNone of these



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