Chemical Reaction Engineering The half life period of a first order reaction is 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 Proportional to the initial concentration of reactants Half the specific rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. Reversible exothermic Irreversible exothermic Irreversible endothermic Reversible endothermic Reversible exothermic Irreversible exothermic Irreversible endothermic Reversible endothermic 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 8764°K 9210°K 8621°K 8987°K 8764°K 9210°K 8621°K 8987°K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CA0 = CB0 CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will Remain same Decrease Data in insufficient; can't be predicted Increase Remain same Decrease Data in insufficient; can't be predicted Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants ANSWER DOWNLOAD EXAMIANS APP