Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it Decreases the molecular collision diameter Increases the activation energy Decreases the energy barrier for reaction None of these Decreases the molecular collision diameter Increases the activation energy Decreases the energy barrier for reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors. None of these Conversion in both will be the same but concentrations will be different Both the conversion as well as concentrations will be different Both conversion as well as concentration are same None of these Conversion in both will be the same but concentrations will be different Both the conversion as well as concentrations will be different Both conversion as well as concentration are same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carrier in a catalyst increases its Activity None of these Surface area Performance Activity None of these Surface area Performance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method can be used to determine the __________ of a porous catalyst. Surface area All of these Solid density Pore volume Surface area All of these Solid density Pore volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. Fixed bed Batch Tubular flow Stirred tank Fixed bed Batch Tubular flow Stirred tank ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 8987°K 8764°K 8621°K 9210°K 8987°K 8764°K 8621°K 9210°K ANSWER DOWNLOAD EXAMIANS APP
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