Home
Class 12
CHEMISTRY
The overall rate of a reaction is govern...

The overall rate of a reaction is governed by :

A

the rate of fastest intermediate step

B

the sum of the rates of all intermediate steps

C

the average of the rates of all the intermediate steps

D

the rate of slowest intermediate step.

Text Solution

Verified by Experts

The correct Answer is:
D
The slowest step is rate determining step.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    NCERT FINGERTIPS|Exercise MCQs|3 Videos

  • CHEMICAL KINETICS

    NCERT FINGERTIPS|Exercise Integrated Rate Equation|25 Videos

  • CHEMICAL KINETICS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • BIOMOLECULES

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

The overall rate of a reaction depends upon the …………………… .

In a multistpes reaction, the overall rate of reaction is equal to the

Assertion : The overall order of the reaction is the sum of the exponents of all the reactants in the rate expression. Reason: There are many higher order reactions.

In the rate-limiting approximation for a two-step reaction, the overall rate of the reaction is always equal to the rate of the ……….. Step in the reaction mechanism.

Assertion. According to collision theory, rate of reaction does not depend on the total number of collisions. Reason. The overall rate of reaction depends upon the number of effective collisions.

Calculate the overall order of a reaction which has rate expression: Rate = k[A]^(1//2)[B]^(3//2) , (b) Rate = k[A]^(3//2)[B]^(-1) .

For a reaction 2P + Q to S , following data were collected. Calculate the overall order of the reaction. Also find out the reaction rate constant.

Calculate the overall order of a reaction which has the rate expression : (a) Rate =k[A]^(1//2)[B]^(3//2)" "(b)" Rate "=k[A]^(3//2)[B]^(-1)

NCERT FINGERTIPS-CHEMICAL KINETICS-Factors Influencing Rate Of Reaction
  1. Which of the following is an example of a fractional order reaction?

    Text Solution

    |

  2. What will be the rate equation for the reaction 2X + Y to Z, if the or...

    Text Solution

    |

  3. For a reaction, I^(-) + OCl^(-) to IO^(-) + Cl^(-) in an aqueous mediu...

    Text Solution

    |

  4. For a reaction, 2NO + 2H(2) to N(2) + 2H(2) O, the possible mechanism ...

    Text Solution

    |

  5. Rate constant of two reactions are given below. Identifying their orde...

    Text Solution

    |

  6. Find the values of A,B and C in the following table for the reaction X...

    Text Solution

    |

  7. For a chemical reaction A rarr B, the rate of reaction increases by a ...

    Text Solution

    |

  8. For a reaction AtoB, the rate of reaction becomes twenty seven times w...

    Text Solution

    |

  9. For the reaction A + B to products, what will be the order of reaction...

    Text Solution

    |

  10. The unit of rate constant for the reaction, 2H(2) + 2NO to 2H(2)O + ...

    Text Solution

    |

  11. Match the rate law given in column I with the dimensions of rate const...

    Text Solution

    |

  12. The decomposition of dimethyl ether is a fractional order reaction. Th...

    Text Solution

    |

  13. The unit of rate of reaction and rate of rate constant are same for a ...

    Text Solution

    |

  14. The rate of the reaction: CH(3)COOC(2)H(5) + NaOH to Ch(3)COONa + C(...

    Text Solution

    |

  15. For a general reaction X to Y, the plot of conc. Of X vs Time is giv...

    Text Solution

    |

  16. Fill in the blanks by choosing the correct option. Order of the reacti...

    Text Solution

    |

  17. The number of molecules of the reactants taking part in a single step ...

    Text Solution

    |

  18. In any unimolecular reaction

    Text Solution

    |

  19. The overall rate of a reaction is governed by :

    Text Solution

    |

  20. For a reaction X + Y to Z, rate prop [X]. What is (i) molecularity and...

    Text Solution

    |