Home
Class 12
CHEMISTRY
Rate of a reaction can be expressed by A...

Rate of a reaction can be expressed by Arrhenius equation as:
`k = Ae^(-E_(a)//RT)`
In this equation, `E_(a)` represents:

A

the energy abvoe which all the collinding moleuces will react

B

the energy below which colliding molecules will not react

C

the total energy of the reacting molecules at a temperature T

D

the fraction of molecules with energy greater than the activation energy of the reaction

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    OP TANDON|Exercise OBJECTIVE QUESTIONS (LEVEL-B) SET I|48 Videos

  • CHEMICAL KINETICS

    OP TANDON|Exercise OBJECTIVE QUESTIONS (LEVEL-B) SET II|13 Videos

  • CHEMICAL KINETICS

    OP TANDON|Exercise PRACTICE PROBLEMS|70 Videos

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    OP TANDON|Exercise Integer|4 Videos

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Self Assessment (Integer type).|3 Videos

Similar Questions

Explore conceptually related problems

In Arrhenius equation , K=Ae^(-E_a//RT) . The A is

In the Arrhenius equation: k = A exp(-E_(a)//RT) , the rate constant

In Arrhenius equation k = Ae^(-E_(a)//RT)) , A is the value of the rate constant

The temperature dependence of rate constant (k) of a chemical reaction is written in terms of Arrhenius equation, k=Ae^(-E_(a)//RT)) Activation energy (E_(a)) of the reaction can be calculate by plotting

OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. In a first order reaction, the concentration of the reactants is reduc...

    Text Solution

    |

  2. A substance reacts with initial concentration of a mol dm^(-3) accrodi...

    Text Solution

    |

  3. Rate of a reaction can be expressed by Arrhenius equation as: k = Ae...

    Text Solution

    |

  4. The rate constant of a first order reaction at 27^(@)C "is" 10^(-3)"mi...

    Text Solution

    |

  5. A chemical reaction involves two reacting species. The rate of reactio...

    Text Solution

    |

  6. Accroding to Arrhenius equation, the rate constnat (k) is related to t...

    Text Solution

    |

  7. Conisder a reaction aG+bH rarr Products. When concentration of both th...

    Text Solution

    |

  8. The temperature dependence of rate constant (k) of a chemical reaction...

    Text Solution

    |

  9. Consider a reaction 2A +B to Products. When the concentration of B alo...

    Text Solution

    |

  10. In a first-order reaction A rarr B, if K is the rate constant and init...

    Text Solution

    |

  11. For a first order reaction half life is 14 sec. The time required for ...

    Text Solution

    |

  12. 75% of a first order reaction was completed in 32 min. When was 50% of...

    Text Solution

    |

  13. For a zero order reaction A rarr B, t(1//2) is (k is rate constant)

    Text Solution

    |

  14. The rate constant k(1) and k(2) for two different reactions are 10^(16...

    Text Solution

    |

  15. Under the same reaction conditions, the intial concentration of 1.386 ...

    Text Solution

    |

  16. The decomposition of HI on the surface of gold is :

    Text Solution

    |

  17. Consider following two reactions Ato"Product", (d[A])/(dt)=k(1)[A](0...

    Text Solution

    |

  18. If a plant of log(10) C versust t gives a straight line for a given re...

    Text Solution

    |

  19. For a zero order reaction the plot of concentration of reactant versus...

    Text Solution

    |

  20. T(50) of first order reaction is 10 min. starting with 10 "mol"^(-1) r...

    Text Solution

    |