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 Mostly irreversible Insensitive to temperature changes Always irreversible Highly temperature sensitive Mostly irreversible Insensitive to temperature changes Always irreversible Highly temperature sensitive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. Data insufficient; can't be predicted Same as Less than More than Data insufficient; can't be predicted Same as Less than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Differential method for analysing the kinetic data is used When rate expressions are very simple None of these For testing complicated mechanisms When the data are scattered When rate expressions are very simple None of these For testing complicated mechanisms When the data are scattered ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Decreases with increase of reactant concentration Decreases with increase in temperature None of these Increases with increase of pressure of reactants for all reactions Decreases with increase of reactant concentration Decreases with increase in temperature None of these Increases with increase of pressure of reactants for all reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? Ln CA0 Vs t1/2 CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Volume of the reactor Total pressure of the system Initial concentration of N₂ and H₂ Temperature Volume of the reactor Total pressure of the system Initial concentration of N₂ and H₂ Temperature ANSWER DOWNLOAD EXAMIANS APP
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