Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Decreases Either A or B; depends on the type of catalyst Increases Neither A nor B Decreases Either A or B; depends on the type of catalyst Increases Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions of high molecularity are rare, because Of low probability of many body collisions Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of very large activation energy of many bodies Of low probability of many body collisions Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of very large activation energy of many bodies ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering According to Arhenious equation of temperature dependency of rate constant for an elementary reaction K ∝ √T K ∝ T e-E/RT K ∝ e-E/RT None of these K ∝ √T K ∝ T e-E/RT K ∝ e-E/RT None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a unit of reaction rate? Mole formed/volume of catalyst) (time) None of these Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) Mole formed/volume of catalyst) (time) None of these Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Insensitive to temperature changes Always irreversible Highly temperature sensitive Mostly irreversible Insensitive to temperature changes Always irreversible Highly temperature sensitive Mostly irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The exit age distribution of fluid leaving a vessel is used to know the Extent of non-ideal flow in the vessel Reaction mechanism None of these Activation energies of a reaction Extent of non-ideal flow in the vessel Reaction mechanism None of these Activation energies of a reaction ANSWER DOWNLOAD EXAMIANS APP
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