Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by An active surface of the catalyst Large catalyst particle size Small pore diameter All of these An active surface of the catalyst Large catalyst particle size Small pore diameter All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of the reactants required to dissociate into products is known as the __________ energy. Threshold Thermal Binding Activation Threshold Thermal Binding Activation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 0.693/K 6.93 K 2.5 K 1.5 K 0.693/K 6.93 K 2.5 K 1.5 K 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 Catalyst carriers Inhibit catalyst poisoning Have very high selectivity Provide large surface area with a small amount of active material Increase the activity of a catalyst Inhibit catalyst poisoning Have very high selectivity Provide large surface area with a small amount of active material Increase the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/2 1/3 1/9 3 1/2 1/3 1/9 3 ANSWER DOWNLOAD EXAMIANS APP
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