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/second Moles/litre.second Litre/mole.second Litre/mole Litre/second Moles/litre.second Litre/mole.second Litre/mole ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal tubular-flow reactor There is no mixing in longitudinal direction All of these There is a uniform velocity across the radius Mixing takes place in radial direction There is no mixing in longitudinal direction All of these There is a uniform velocity across the radius Mixing takes place in radial direction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the Reaction is elementary with a molecularity of 2 Reaction is elementary but the molecularity may not be 2 Reaction may be elementary with molecularity of 2 Molecularity of the reaction is 2, but the reaction may not be elementary Reaction is elementary with a molecularity of 2 Reaction is elementary but the molecularity may not be 2 Reaction may be elementary with molecularity of 2 Molecularity of the reaction is 2, but the reaction may not be elementary ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Single CSTR is the most suitable Tubular reactor is preferred over a single CSTR for high yield Both A and B Batch reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Tubular reactor is preferred over a single CSTR for high yield Both A and B Batch reactor is preferred over a single CSTR for high yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 16 8 4 2 16 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is Data insufficient, can't be predicted 0.33 1 0.5 Data insufficient, can't be predicted 0.33 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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