Discussion
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- Question
Reaction rate equation for the reaction,
. If S at is present in large excess, what is the order of this reaction?
Options- A. zero
- B. one
- C. two
- D. three
- Correct Answer
- one
- 1. Pick out the correct statement
Options- A. Reactions with high activation energies are very temperature sensitive.
- B. Chemical equilibrium is a static state.
- C. A photochemical reaction is catalysed by light.
- D. A chemical reaction occurs when the energy of the reacting molecule is less than the activation energy of the reaction. Discuss
- 2. 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant?
Options- A. 100%
- B. 95%
- C. 75%
- D. 20% Discuss
- 3. The reaction between oxygen and organic material is a/an __________ reaction.
Options- A. exothermic
- B. endothermic
- C. biochemical
- D. photochemical Discuss
- 4. A first order reaction requires two equal sized CSTR. The conversion is
Options- A. less when they are connected in series.
- B. more when they are connected in series.
- C. more when they are connected in parallel.
- D. same whether they are connected in series or in parallel. Discuss
- 5. Which of the following will give maximum gas conversion?
Options- A. Fixed bed reactor.
- B. Fluidised bed reactor.
- C. Semi-fluidised bed reactor.
- D. Plug-flow catalytic reactor. Discuss
- 6. For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
Options- A. physical
- B. chemical
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
- 7. __________ is the response curve for a step input signal from a reactor.
Options- A. S-curve
- B. C-curve
- C. I-curve
- D. none of these Discuss
- 8. The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy.
Options- A. activation
- B. potential
- C. binding
- D. threshold Discuss
- 9. A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length
Options- A. decreases.
- B. increases.
- C. is at the highest allowable temperature throughout.
- D. first increases and then decreases. Discuss
- 10. In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.
Options- A. 100
- B. 1000
- C. 10000
- D. 100000 Discuss
Chemical Reaction Engineering problems
Search Results
Correct Answer: Reactions with high activation energies are very temperature sensitive.
Correct Answer: 95%
Correct Answer: exothermic
Correct Answer: more when they are connected in series.
Correct Answer: Semi-fluidised bed reactor.
Correct Answer: chemical
Correct Answer: C-curve
Correct Answer: activation
Correct Answer: is at the highest allowable temperature throughout.
Correct Answer: 1000
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