Home
Class 12
CHEMISTRY
For the reaction A rarr B, the rate law ...

For the reaction `A rarr B`, the rate law expression is rate `=k[A]`. Which of the following statements is incorrect ?

A

The reaction follows first order kinetics

B

The `t_(1//2)` of the reaction depends on initial concentration

C

k is constant for the reaction at constant temperature

D

The rate law provides a simple way of predicting the concentration of reactant at any time after the start 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

For a reaction : 2A + 2B rarr products, the rate law expression is r = k[A]^(2) [B] . Which of the following is/are correct?

For the reaction , 2A + B rarr C +D , the rate law is rate =k[B]. Which of the following mechanism would be consistent with this information?

For a reaction pA +qB rarr products, the rate law expression is r=k[A]^(m)[B]^(n) then

For a reaction pA +qB rarr products, the rate law expression is r=k[A]^(l)[B]^(m) then

For a reaction pA + qB rarr Product, the rate law expresison is r = k[A][B]^(m) . Then

For a hypothetical reaction, A rarr L the rate expression is rate =-(dC_(A))/(dt)

For a reaction A+ B rarr products, rate law expression for rate , r=K[A][B]^2 . If the volume of the container is reduced to half of its original volume, the rate of reaction will become

For a hypothetical reaction aA + bB rarr Product, the rate law is: rate = K[A]^(x)[B]^(y) , then which of the following relation is possible-

OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. Activation energy of a chemical reaction can be determined by

    Text Solution

    |

  2. The experimental data for the reaction 2A+B(2)rarr2AB, is : The r...

    Text Solution

    |

  3. For the reaction A rarr B, the rate law expression is rate =k[A]. Whic...

    Text Solution

    |

  4. Cyclopropane rearranges to form propane : DeltararrCH(3)-CH=CH(2) ...

    Text Solution

    |

  5. The rate constant k, for the reaction N(2)O(5)(g) rarr 2NO(2) (g) + (1...

    Text Solution

    |

  6. The reaction XrarrY (Product ) follows first order kinetics. In 40 min...

    Text Solution

    |

  7. In a first order reaction, the concentration of the reactant, decrease...

    Text Solution

    |

  8. A substance undergoes first order decomposition. The decomposition fol...

    Text Solution

    |

  9. For the reaction, 2NH(3)rarr N(2)+3H(2) if (-d[NH(3)])/(dt)=k(1)[NH(...

    Text Solution

    |

  10. In Arrhenius equation k=Ae^(-E//RT), factor e^(-E(a)//RT) is known as...

    Text Solution

    |

  11. Which of the following graphs is correct for second order reaction ?

    Text Solution

    |

  12. For the reaction A+B rarr C+D The variation of the concentration of th...

    Text Solution

    |

  13. Which graph shows zero activation energy ?

    Text Solution

    |

  14. E("Threshold") can never be:

    Text Solution

    |

  15. A reaction takes place in theee steps: the rate constant are k(1), k(2...

    Text Solution

    |

  16. For hypothetical reaction ArarrB takes placed according to Aoverset(...

    Text Solution

    |

  17. If concentration of reactant is increased by 'm' then k becomes :

    Text Solution

    |

  18. aB+bBrarrP,dxx//dt=k[A]^(a)8[B]^(b). If conc. of A is doubled, rate is...

    Text Solution

    |

  19. A drop of solution (volume 0.05 mL) contains 3 xx 10^(-6) "mole" H^(o+...

    Text Solution

    |

  20. For the reaction, H(2)+I(2)overset(k(1))underset(k(2))hArr2HI. The rat...

    Text Solution

    |