Chemical Reaction Engineering And Reactor Design

10 Questions | By Izual088 | Updated: Mar 22, 2022 | Attempts: 1117

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Chemical Reaction Engineering And Reactor Design - Quiz

Chemical Reaction Engineering and Reactor DesignObjective type

Questions and Answers

1.

Rate of chemical reaction is independent of the concentration of reactants for
- A.
  
  Zero order reaction
- B.
  
  Third order reaction
- C.
  
  Consecutive reaction
- D.
  
  None of these
2.

Which of the following is not a unit of reaction rate?
- A.
  
  Moles formed/(surface of catalyst) (time)
- B.
  
  Moles formed/(volume of reactor) (time)
- C.
  
  Mole formed/(volume of catalyst) (time)
- D.
  
  None of these
3.

If “n” is the order of reaction then unit of rate constant is
- A.
  
  (a) 1 (time) (concentration 1/(time) (concentration)^n-1
- B.
  
  (time)-1(concentration)n-1
- C.
  
  (time)n-1 (concentration)
- D.
  
  None of these
4.

Which of the following is a controlling factor in very fast heterogeneous reaction?
- A.
  
  Heat and mass transfer effects
- B.
  
  Pressure
- C.
  
  Temperature
- D.
  
  Composition of reactant
5.

Variables affecting the rate of homogeneous reactions are
- A.
  
  Pressure and temperature only
- B.
  
  Temperature and composition only
- C.
  
  Pressure and composition only
- D.
  
  Pressure, temperature and composition
6.

Rate determining step in a reaction consisting of a number of step in series is the
- A.
  
  Fastest step
- B.
  
  Slowed step
- C.
  
  Intermediate step
- D.
  
  Data insufficient; can't be predict
7.

Chemical kinetics can predict the
- A.
  
  Rate of reaction
- B.
  
  Feasibility of reaction
- C.
  
  Both (a) and (b)
- D.
  
  None of these
8.

Velocity of a chemical reaction
- A.
  
  Decreases with increase in temperature
- B.
  
  Increases with increase of pressure of reactant for all reactions
- C.
  
  Decreases with increase of reactant concentration
- D.
  
  None of these
9.

Sum of the powers of the concentration terms in the rate equation is called the
- A.
  
  Order of the reaction
- B.
  
  Overall order of the reaction
- C.
  
  Molecularity of the reaction
- D.
  
  None of these
10.

Molecularity of a reaction
- A.
  
  Is always equal to the overall order of reaction
- B.
  
  May not be equal to the order of reaction
- C.
  
  Can’t have a fractional value
- D.
  
  Both b and c