Chemical Reaction Engineering In autocatalytic reactions, One of the reactants acts as a catalyst Catalysts have very high selectivity One of the products acts as a catalyst No catalyst is used One of the reactants acts as a catalyst Catalysts have very high selectivity One of the products acts as a catalyst No catalyst is used ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times. 32 16 12 8 32 16 12 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A Catalyst Changes the equilibrium constant of the reaction None of these Increases the equilibrium concentration of the product Shortens the time to reach the equilibrium Changes the equilibrium constant of the reaction None of these Increases the equilibrium concentration of the product Shortens the time to reach the equilibrium ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling Poor product quality control All of these High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling Poor product quality control All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Always the same irrespective of the reaction Half the specific rate constant Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Always the same irrespective of the reaction Half the specific rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Becomes infinite Decreases Remain same Increases Becomes infinite Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP