Home
Class 12
CHEMISTRY
A following mechanism has been proposed ...

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

A

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

B

Rate `= k[A][B]`

C

Rate = k [A] [C]

D

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

Text Solution

Verified by Experts

Rate of reaction depends upon the slowest step.
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

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:

2A + B to D +E , for the reaction proposed mechanism A + B to C +D (slow), A + C to E (fast). The rate law expression for the reaction is

2A+2B to D +E for the reaction following mechanism has been proposed . A+2B to 2C +d ( slow) A+2C to E ( fast ) The rate law expression for the reaction is

For the reaction, 2NO+Cl_(2)rarr2NOCl the following mechanism has been proposed. NO+Cl_(2)hArr NOCl_(2)" " (fast) NOCl_(2)+NOrarr2NOCl" " (slow) The rate for the reaction is :

A chemical reaction A + 2B rArr AB_(2) follows in two steps A + B rArr AB(slow) AB + B rArr AB_(2) (fast) Then the order of the reaction is

A reaction is found to proceed in two steps as A + B rarr E (slow),, A+E rarr C+D (fast). Write the law expresison and overall balanced equation.

For the reaction : A + 2B rarr C + D , the expression of rate of reaction will be :

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

The mechanism for the overall reaction is A_(2) + B rarr C A_(2) rarr 2A (slow) 2A + B rarr X (fast) If a catalyst D changes the mechanism to A_(2) + D rarr A_(2) D (slow) A_(2) D rArr 2A+D (fast) 2A +B rarr C (fast) Which is the rate expresison for the reaction with and without a catalyst ?

NIKITA PUBLICATION-CHEMICAL KINETICS -MCQs
  1. Which of the follwing statement is not correct for the reaction, 4A+...

    Text Solution

    |

  2. For a reaction 2A +B rarr C+D, the active mass of B is kept constant b...

    Text Solution

    |

  3. A following mechanism has been proposed for a reaction: 2A+Brarr D+E...

    Text Solution

    |

  4. The specific rate constant of a first order reaction depends on the

    Text Solution

    |

  5. The rate law for the reaction RCl + NaOH(aq) rarr ROH + NaCl is give...

    Text Solution

    |

  6. A hypothetical reaction A(2) + B(2) rarr 2AB follows the mechanism as ...

    Text Solution

    |

  7. The rate equation for a reaction 3A +2B to C is given by (dx)/(dt) =...

    Text Solution

    |

  8. Order of a reaction can not be obtained

    Text Solution

    |

  9. For an exothermic chemical process ocuuring in two process occuring in...

    Text Solution

    |

  10. Fot the reaction A + B to produts, it is found that orders of the reac...

    Text Solution

    |

  11. In a reaction A + 2B to products, the molecularity of the reaction is

    Text Solution

    |

  12. For the reaction N2+3H2 to 2NH3, rate of reaction with respect to hydr...

    Text Solution

    |

  13. For the reaction ,A+ 2B to C , the rate of reaction at a give...

    Text Solution

    |

  14. The rate of a gaseous reaction is given by k[A] [B]. If the volume occ...

    Text Solution

    |

  15. A reaction proceeds by a two step mechanism A2underset(k2)overset(k1...

    Text Solution

    |

  16. If the concentration units for the first order reaction is increased b...

    Text Solution

    |

  17. The reaction NO(2(g))+O((g)) to CO(2(g)) +NO((g)) proceeds in the foll...

    Text Solution

    |

  18. The rate constant for reaction is 10.8 xx 10^(-5) mol dm^(-3) sec^(-1)...

    Text Solution

    |

  19. The unit of rate constant and that of rate of reaction are same for

    Text Solution

    |

  20. The correct expression for the the rate constant for reactions of zero...

    Text Solution

    |