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 9210°K 8987°K 8621°K 8764°K 9210°K 8987°K 8621°K 8764°K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Microbial fermentation reaction Photochemical reactions Ammonia synthesis reaction Enzyme fermentation reaction Microbial fermentation reaction Photochemical reactions Ammonia synthesis reaction Enzyme fermentation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction All of these Increases the frequency of collisions of reacting species Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species Decreases the activation energy Alters the reaction mechanism ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Signal normally used to study non-ideal flow by stimulus response technique is __________ input. Step Pulse Neither A nor B Both A & B Step Pulse Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have High CA, high CB Low CA, low CB High CA, low CB Low CA, high CB High CA, high CB Low CA, low CB High CA, low CB Low CA, high CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Remains unaltered Increases Decreases Changes unpredictably Remains unaltered Increases Decreases Changes unpredictably ANSWER DOWNLOAD EXAMIANS APP