Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 3 1/9 1/2 1/3 3 1/9 1/2 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Second First Third Zero Second First Third Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions of high molecularity are rare, because Many body collisions are not favoured energetically Of requirement of very large concentration for such reactions Of low probability of many body collisions Of very large activation energy of many bodies Many body collisions are not favoured energetically Of requirement of very large concentration for such reactions Of low probability of many body collisions Of very large activation energy of many bodies ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction. Catalytic homogenous Non-catalytic heterogeneous Catalytic heterogeneous Non-catalytic homogeneous Catalytic homogenous Non-catalytic heterogeneous Catalytic heterogeneous Non-catalytic homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes. 3 6 4 8 3 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
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