Chemical Reaction Engineering And Reactor Design

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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

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