Chemical Reaction Engineering A catalyst promoter All of these Itself has very high activity Acts as a catalyst support Improves the activity of a catalyst All of these Itself has very high activity Acts as a catalyst support Improves the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.5 1.6 2 2.24 2.5 1.6 2 2.24 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 Higher in P.F. reactor Data insufficient; can't be predicted Higher in CSTR Same in both the reactors Higher in P.F. reactor Data insufficient; can't be predicted Higher in CSTR Same in both the reactors ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an T ∝ an T ∝ 1/an - 1 T ∝ 1/an + 1 T ∝ 1/an T ∝ an T ∝ 1/an - 1 T ∝ 1/an + 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant Is independent of pressure Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction Increases with pressure Decreases with pressure Is independent of pressure Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction Increases with pressure Decreases with pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is Proportional to the initial concentration of reactants Half the specific rate constant Dependent on initial concentration of the reactants Always the same irrespective of the reaction Proportional to the initial concentration of reactants Half the specific rate constant Dependent on initial concentration of the reactants Always the same irrespective of the reaction ANSWER DOWNLOAD EXAMIANS APP
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