Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it Increases the activation energy Decreases the molecular collision diameter None of these Decreases the energy barrier for reaction Increases the activation energy Decreases the molecular collision diameter None of these Decreases the energy barrier for reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a __________ order reaction, the units of rate constant and rate of reaction are the same. Fractional First Zero Second Fractional First Zero Second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? Surface chemical reaction Adsorption Desorption None of these Surface chemical reaction Adsorption Desorption None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Retards the rate of reaction Does not initiate the reaction All of these Reduces the value of equilibrium constant Retards the rate of reaction Does not initiate the reaction All of these Reduces the value of equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Threshold energy in a reaction is equal to the Activation energy Sum of A & B Normal energy of reactants Neither A nor B Activation energy Sum of A & B Normal energy of reactants Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arhenious equation shows the variation of __________ with temperature. Reaction rate Rate constant Frequency factor Energy of activation Reaction rate Rate constant Frequency factor Energy of activation ANSWER DOWNLOAD EXAMIANS APP
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