Chemical Reaction Engineering For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium? 0.637 0.152 0.253 0.338 0.637 0.152 0.253 0.338 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 E + ΔHA E + ΔHA - ΔHR ΔHA + ΔHR E E + ΔHA E + ΔHA - ΔHR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction of a/an __________ reaction is not affected by temperature rise. Autocatalytic Zero order Photochemical Consecutive Autocatalytic Zero order Photochemical Consecutive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the reaction, A + B → 2B + C, rA = 2rB rA = rB rA = rB/2 rA = -rB rA = 2rB rA = rB rA = rB/2 rA = -rB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not influenced by the Catalyst Temperature Number of molecules of reactants taking part in a reaction Reactants concentration Catalyst Temperature Number of molecules of reactants taking part in a reaction Reactants concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/mole.second Litre/second Litre/mole Moles/litre.second Litre/mole.second Litre/second Litre/mole Moles/litre.second ANSWER DOWNLOAD EXAMIANS APP
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