Chemical Reaction Engineering For a first order chemical reaction, the rate constant Is not a function of the unit of time None ofthese Has unit of time⁻¹ Changes on changing the concentration units Is not a function of the unit of time None ofthese Has unit of time⁻¹ Changes on changing the concentration units ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction in which the rate equation corresponds to a stoichiometric equation, is called a/an __________ reaction. Autokinetic Parallel Elementary Non-elementary Autokinetic Parallel Elementary Non-elementary ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The enzyme which can catalyse the conversion of glucose to ethyl alcohol is Diastase Zymase Invertase Maltase Diastase Zymase Invertase Maltase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering "A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?A. Inner catalyst core of radius R/8 does not participate in reaction." Ffectiveness factor for a zero order reaction can not be 7/8 as it must always be 1 Inner catalyst core of radius R/8 does not participate in reaction Inner catalyst core of radius R/2 does not participate in reaction Inner catalyst core of radius 7R/8 does not participate in reaction Ffectiveness factor for a zero order reaction can not be 7/8 as it must always be 1 Inner catalyst core of radius R/8 does not participate in reaction Inner catalyst core of radius R/2 does not participate in reaction Inner catalyst core of radius 7R/8 does not participate in reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Activation energy Rate of reaction Frequency factor Rate constant Activation energy Rate of reaction Frequency factor Rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes ANSWER DOWNLOAD EXAMIANS APP
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