Home
Class 12
CHEMISTRY
In a zero order reaction , concentration...

In a zero order reaction , concentration of the reactant reduces to `0.35"mol.L"^(-1)` after 30s . If the rate constant of the reaction is `0.035"mol.L"^(-1).s^(-1)` , then its half-life is -

A

10s

B

12s

C

15s

D

20s

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT (More Than One Correct Type )|18 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT ANSWER -TYPE QUESTIONS)|19 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Long Answer Type)|4 Videos

  • BIOMOLECULES

    CHHAYA PUBLICATION|Exercise Practic Set 29|1 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Practice Set 6|15 Videos

Similar Questions

Explore conceptually related problems

Rate constant of a first order reaction is 0.45 sec^(-1) , calculate its half life.

The rate constant of a reaction is 1.5xx10^(-3)"dm"^(3)."mol"^(-1).s^(-1). Determine its order .

A reaction , 2Ararr product , follows a zero order kinetics. If the rate constant of the reaction is 4.0xx10^(-4)"mol.L"^(-1).s^(-1) , then the rate of disappearance of A is -

In a zero -order reaction , initial concentration of the reactant is a and value of the constant is k . If the time required for the completion of the reaction is t and the value of its half-life t_(1//2) then-

For a chemical reaction, if the concentration of the reactant a doubled, its half-life is halved. Determine the order of the reaction.

2Ararr4B+D , in this reaction, concentration of B increases to 2xx10^(-3)"mol.L"^(-1) after 10s from the start of the reaction . Calculate : rate of formation of B

At a particular temperature, the equilibrium constant of the reaction 2A+BhArr 2C is 8.0xx10^(4)L*mol^(-1) . If the rate constant of the reverse reaction be 1.24L*mol^(-1)*s^(-1) , then find the value of rate constant of the forward reaction at that temperature.

2Ararr4B+D , in this reaction, concentration of B increases to 2xx10^(-3)"mol.L"^(-1) after 10s from the start of the reaction . Calculate : rate of disappearance of A.

The initial concentration of the reactant in a zero order reaction is 1.386 "mol.L"^(-1) The half-life of the reaction is 20s. Calculate: the rate constant

For a zero order reaction the initial concentration of the reactant is 1.386 mol L^(-1) . If the half life period of the same be 20S then what. Shall be the concentration of the reaction after 30S.

CHHAYA PUBLICATION-CHEMICAL KINETICS-MCQ HOTSPOT (Single Correct Type )
  1. Probable reaction mechanism of the reaction 2O(3)(g)rarr3O(2)(g) " is...

    Text Solution

    |

  2. 2A(g)rarr2B(g)+3C(g) is a first order reaction . When the reaction s...

    Text Solution

    |

  3. In a zero order reaction , concentration of the reactant reduces to 0....

    Text Solution

    |

  4. If temperature is increased , then -

    Text Solution

    |

  5. The activation energy of a reaction depends on -

    Text Solution

    |

  6. For a reaction, ArarrB , DeltaH = +xkJ .mol^(-1) and activation ener...

    Text Solution

    |

  7. The activation energy of a reaction is zero . If the rate constant of ...

    Text Solution

    |

  8. The rate of a reaction at 37^(@)C is twice the rate of the reaction at...

    Text Solution

    |

  9. Arrhenius equation: k=Ae^(-E(a)//RT) . Which one of the following sta...

    Text Solution

    |

  10. For every 10 K rise in temperature , the rate of a reaction becomes d...

    Text Solution

    |

  11. At 300K , frequency factor (A) of a first order reaction is 1000 times...

    Text Solution

    |

  12. A reaction occurs in three steps . The rate constants of the first , s...

    Text Solution

    |

  13. At a given initial concentration of reactant , the half-life of a rea...

    Text Solution

    |

  14. For a reaction , the graph obtained by plotting t(1//2) of the reactio...

    Text Solution

    |

  15. The slope and intercept of a logk vs 1/T graph of a first order reacti...

    Text Solution

    |

  16. A reaction , 2Ararr product , follows a zero order kinetics. If the ra...

    Text Solution

    |

  17. Initial concentration of the reactant of a first order reaction with a...

    Text Solution

    |

  18. Half -life of a zero order reaction is 60 min . In an experiment , the...

    Text Solution

    |

  19. A first order reaction takes 46 min for its 99% completion . How much ...

    Text Solution

    |

  20. If reversible reaction is exothermic in the forward direction , then -

    Text Solution

    |