Home
Class 11
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 reaction depends on initial concentration of reactants

C

`k` is constant for the reaction at a constant temperature

D

The rate law provides a simple way of predicting the conc. Of reactants and products at any time after the start of the reaction.

Text Solution

Verified by Experts

The correct Answer is:
B

The half life of fist order reaction is independent of concentration.
Promotional Banner

Topper's Solved these Questions

  • RATES OF REACTIONS AND CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Selected Straight|49 Videos
  • RATES OF REACTIONS AND CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Comprehension|13 Videos
  • RATES OF REACTIONS AND CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Ultimate Preparatory Package|29 Videos
  • PHYSICAL AND CHEMICAL EQUILIBRIA

    DINESH PUBLICATION|Exercise ULTIMATE PREPARATORY PACKAGE|13 Videos
  • REDOX REACTIONS

    DINESH PUBLICATION|Exercise Reasoning Type Questions|4 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-

DINESH PUBLICATION-RATES OF REACTIONS AND CHEMICAL KINETICS-Revision Question
  1. The rate constant is given by the equation k = P.Ze^(-E//RT). Which fa...

    Text Solution

    |

  2. For a reaction of type A +B rarr products it is observed that doubling...

    Text Solution

    |

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

    Text Solution

    |

  4. The reaction N(2)O(5) (in C Cl(4) solution) rarr 2NO(2) (solution) +...

    Text Solution

    |

  5. 75% of a first-order reaction was completed in 32 minutes, when was 50...

    Text Solution

    |

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

    Text Solution

    |

  7. The first order rate constant for the decomposition of N(2)O(5) is 6.2...

    Text Solution

    |

  8. A reaction is 50 % complete in 2 hours and 75 % complete in 4 hours th...

    Text Solution

    |

  9. Velocity constant of a reactin at 290 K was found to be 3.2 xx 10^(-3)...

    Text Solution

    |

  10. If reaction between A and B to give C shows first order kinetics in A ...

    Text Solution

    |

  11. For a first order reaction, the half-life period is independent of

    Text Solution

    |

  12. A catalyst increases rate of reaction by

    Text Solution

    |

  13. For a first order reaction, obatin a positive slope, we need to plot [...

    Text Solution

    |

  14. Given t(1//2) =3 hr. Then how many gram of a substance will remain aft...

    Text Solution

    |

  15. For the reaction A + B rarr C + D, doubling the concentration of both ...

    Text Solution

    |

  16. The effect of temperature on reaction rate is given by

    Text Solution

    |

  17. The decomposition of a substance follows first order kinetics. If its ...

    Text Solution

    |

  18. For a first order reaction, the plot of log k against 1/T is a straigh...

    Text Solution

    |

  19. "1 dm"^(3) of 2 M CH(3)COOH is mixed with "1 dm"^(3) of 3 M ethanol to...

    Text Solution

    |

  20. ROOR'+H(2)Ooverset("HCl")(rarr)RCOOH+R'OH ltbtgt What type of reaction...

    Text Solution

    |