Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 1.5 K 2.5 K 6.93 K 0.693/K 1.5 K 2.5 K 6.93 K 0.693/K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Ionic reactions occur in Liquid state only Solid state only Solutions Any state Liquid state only Solid state only Solutions Any state ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. Neither A nor B Both A & B Conversion Constant Neither A nor B Both A & B Conversion Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. No change Either A or B, depends on the type of reaction Increase Decrease No change Either A or B, depends on the type of reaction Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm. Tempkin None of these Langmuir Freundlich Tempkin None of these Langmuir Freundlich ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) ΔHA + ΔHR E + ΔHA E + ΔHA - ΔHR E ΔHA + ΔHR E + ΔHA E + ΔHA - ΔHR E ANSWER DOWNLOAD EXAMIANS APP