Home
Class 12
CHEMISTRY
The reaction , X + 2Y + Z rarr N occurs ...

The reaction , `X + 2Y + Z rarr N` occurs by the following mechanism
(i) `X+Y hArr M` (very rapid equilibrium)
(ii) `M + Z rarr O` (slow)
(iii) `O + Y rarr N` (very fast)
What is the rate law for this reaction

A

`k[C]`

B

`k[A] [B]^2[C]`

C

`k[Z]`

D

`k[x] [Y][Z]`

Text Solution

Verified by Experts

Slow step is the rate determining step of the reaction. Only in step (ii) , the reactant C is involved in the slow step of the reaction .
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    NIKITA PUBLICATION|Exercise MCQs|428 Videos
  • Chemical Thermodynamics & Energetics

    NIKITA PUBLICATION|Exercise QUESTION FROM COMPETITIVE EXAM|35 Videos

Similar Questions

Explore conceptually related problems

The reaction A+2B+C to Z occurs by the following mechanism: (i) A+2B+C to X (fast) (ii) X+C to Y (slow) (iii) Y+B to Z (very fast) Rate law for this reaction is:

A following mechanism has been proposed for a reaction 2A +B rarr D rarr E A+ B rarrC+D (slow) A+C rarr E (fast) The rate law expression for the reaction by RDS methd is:

The mechanism of the reaction: A + 2B + C rarr D is (step 1) (fast) equilibrium A+B hArr X (step 2)(slow) X + C rarr Y (step 3) (fast) Y + B rarr D Which rate law is correct ?

A following mechanism has been proposed for a reaction: 2A+Brarr D+E A+B rarr C+D (slow) A+C rarr E (fast) The rate law expresison for the reaction is

In the formation of HBr form H_(2) and Br_(2) , following mechanism is observed: I. Br_(2) hArr 2Br^(*) (Equilibrium step) (II) H_(2) + Br^(*)rarr HBr+H^(*) (Slow step) (III) H^(*) + Br_(2) rarr HBr + H^(*) (Fast step) The rate law for the above reaction is

For the reaction, X + 2Y rarr Z 5 moles of X and 9 moles of Y will produce:

The reaction, 2NO+Br_(2)rarr 2NOBr , is supposed to follow the following mechanism, (i) NO+Br_(2) overset("fast")(hArr) NOBr_(2) (ii) NOBr_(2) +NO overset(slow)(rarr)2NOBr suggest the rate law expression.

NIKITA PUBLICATION-CHEMICAL KINETICS -MCQs
  1. The rate of the reation is expressed in different way as followed : ...

    Text Solution

    |

  2. The half -life of a first order reaction [k=(2.303)/(t)"log"((a)/(a...

    Text Solution

    |

  3. The reaction , X + 2Y + Z rarr N occurs by the following mechanism (...

    Text Solution

    |

  4. When a plot of log k versus 1//T of chemical reaction is made, the ene...

    Text Solution

    |

  5. For a first order reaction, the reaction, the plot of log C against 't...

    Text Solution

    |

  6. For a general chemical change 2A+3B rarr Products, the rates with res...

    Text Solution

    |

  7. A reaction is represented by A overset(k1)rarr B (slow ) and A+B over...

    Text Solution

    |

  8. In several experiments on the kinetics of reaction A+B to Products, it...

    Text Solution

    |

  9. For the reaction, A+2B +C to D +2E, the rate of formation of D is foun...

    Text Solution

    |

  10. The hydrolysis of methyl formate in acid solution has rate expression,...

    Text Solution

    |

  11. For an endothermic reaction, where Delta H represents the enthalpy of ...

    Text Solution

    |

  12. Th Arrhenius equation expressing the effect of temperature on the rate...

    Text Solution

    |

  13. The minimum amount of energy required for the reacting molecules to un...

    Text Solution

    |

  14. If E(f) and E(r) are the activation energies of forward and backward r...

    Text Solution

    |

  15. Two reactions A to products and B to products have rate constants KA a...

    Text Solution

    |

  16. Combustion of carbon is exothermic, but coal stored in coal depots doe...

    Text Solution

    |

  17. Increase in the concentration of the reactants leads to the changes in

    Text Solution

    |

  18. According to collision theory of reaction rates

    Text Solution

    |

  19. Which statement is not correct?

    Text Solution

    |

  20. The Activation energy for a chemical reaction mainly depends upon

    Text Solution

    |