Chemical Reaction Engineering Half life period of a chemical reaction is Half of the space time of a reaction Half of the residence time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction Half of the residence time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is Same More Less Either A or B, depends on other factors Same More Less Either A or B, depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) A-N A+N A N A-N A+N A N ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be Same in both the reactors Higher in CSTR Data insufficient; can't be predicted Higher in P.F. reactor Same in both the reactors Higher in CSTR Data insufficient; can't be predicted Higher in P.F. reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Can be either greater or smaller than (depends on the type of reaction) Is smaller than Equals Is greater than Can be either greater or smaller than (depends on the type of reaction) Is smaller than Equals Is greater than ANSWER DOWNLOAD EXAMIANS APP
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