Home
Class 12
CHEMISTRY
A to B , K1= 0.693 sec^(-1) C to D, K2 =...

`A to B , K_1= 0.693 sec^(-1) C to D, K_2 = 0.693 "min"^(-1)` If `t_1` and `t_2` are half lives of two reactions, then

A

`t_(1)=t_(2)`

B

`t_(1)=60t_(2)`

C

`t_(2)=60t_(1)`

D

`t_(2)=2.303t_(1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 3 (Previous NEET/AIPMT Questions)|32 Videos

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 4 (Assertion (A) & Reason (R) Type Questions)|44 Videos

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 1|124 Videos

  • CHEMICAL KINETCS

    AAKASH SERIES|Exercise EXERCISE - 3.2|45 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Additional Practice Exercise|54 Videos

Similar Questions

Explore conceptually related problems

For a first order process A to B , rate constant k_1 = 0.693 "min"^(-1) & another first order process C to D , k_2 = x "min"^(-1) . If 99.9% of C to D requires time same as 50% of reaction A to B , value of x?

For the overall reaction between A and B to yield C and D, two mechanisms are proposed: I. A+BtoAB*toC+D,k_(1)=1xx10^(-5)M^(-1)s^(-1) II. AtoA"*"toE,k_(1)=1xx10^(-4)s^(-1) , E+BtoC+d,k_(2)=1xx10^(10)M^(-1)s^(-1) (species with * are short lived) Rate of reaction for mechanism I when concentration of each is 0.1 M, is

For the overall reaction between A and B to yield C and D, two mechanisms are proposed: I. A+BtoAB*toC+D,k_(1)=1xx10^(-5)M^(-1)s^(-1) II. AtoA"*"toE,k_(1)=1xx10^(-4)s^(-1) , E+BtoC+d,k_(2)=1xx10^(10)M^(-1)s^(-1) (species with * are short lived) Rate of reaction for mechanism II when concentrationof eacn 1 M is

The rate equation for the reaction 2A + B rarr products is rate = k[A][B]^(2) . If k at T (K) is 5.0 xx 10^(-6) mol^(-2) L^(2)s^(-1) , the initial rate of the reaction, when [A] = 0.05 mol L^(-1) and [B] = 0.1 mol L^(-1) is

Rate constant of first order reaction is 0.693"sec"^(-1) . What is the half - life ?

Two first order reactions half lives in the ratio 3:2 . If t_(1) and t_(2) are the time periods for 25% and 75% completion for the first and second reactions respectively, find t_(1):t_(2)

For the overall reaction between A and B to yield C and D, two mechanisms are proposed: I. A+BtoAB*toC+D,k_(1)=1xx10^(-5)M^(-1)s^(-1) II. AtoA"*"toE,k_(1)=1xx10^(-4)s^(-1) , E+BtoC+d,k_(2)=1xx10^(10)M^(-1)s^(-1) (species with * are short lived) AT what concetration of B, rates of two mechanism are equal?

The rate of reaction for Ato products is 10 mol. "lit"^(-1)."min"^(-1) at time t_(1)=2 minutes. What will be the rate ("in mol. lit"^(-1)"min"^(-1)) at time t_(2)=12 minutes ?

Two first order reactions have half lives in the ratio 3:2. If t_(1) and t_(2) are the time periods for 25% and 75% completion for the first and second reactions respectiely find t_(1):t_(2)

AAKASH SERIES-CHEMICAL KINETICS-Objective Exercise - 2
  1. If (dx)/(dt)=k[H(3)O^(+)]^(n) and rate becomes 100 times when pH chang...

    Text Solution

    |

  2. The initial concentration of cane sugar is presence of an acid was red...

    Text Solution

    |

  3. 50% completion of a first order reaction takes place in 16 minutes. Th...

    Text Solution

    |

  4. For the process X(g)to products, (order ne 0), rates of disappearance...

    Text Solution

    |

  5. The temperature coefficient of a reaction is 2.5 . If its rate constan...

    Text Solution

    |

  6. A to B , K1= 0.693 sec^(-1) C to D, K2 = 0.693 "min"^(-1) If t1 and t2...

    Text Solution

    |

  7. For 2NH3(g) underset(Delta)overset(Pt)(to) products follows zero orde...

    Text Solution

    |

  8. The time needed for the completion of 2/3 of a 1st order reaction, whe...

    Text Solution

    |

  9. The rate constant of a first order reaction of 0.0693"min"^(-1). What ...

    Text Solution

    |

  10. Thermal decomposition of HI(g) on Gold surface follows Zero order kine...

    Text Solution

    |

  11. A to B and C to D are first order reactions. Ratio of t(99.9%) val...

    Text Solution

    |

  12. For a first order reaction temperature coefficient is 2. If the value ...

    Text Solution

    |

  13. Sucrose decompose in acid solution into glucose and fructose accordin...

    Text Solution

    |

  14. For an elementary reaction 2A+BtoC+D the active mass of B is kept con...

    Text Solution

    |

  15. The half-life period of a 1^(st) order reaction is 60 minutes. What pe...

    Text Solution

    |

  16. A particular reaction has a rate constant of 1.3xx10^(-2)s^(-1). Find ...

    Text Solution

    |

  17. For a general gaseous reaction of the type R to P , if the initial con...

    Text Solution

    |

  18. If the half life of a first order reaction is 60 min, the approximate ...

    Text Solution

    |

  19. Which of the following statement is incorrect ?

    Text Solution

    |

  20. Which of the following graphs represent a first order reaction (a=init...

    Text Solution

    |