Home
Class 12
CHEMISTRY
For a first order polymerisation reactio...

For a first order polymerisation reaction:
`nA(g) to A_(n) (g)`
occuring at constant volume and temperature the half-life of polymerisation of 'A' is 20 min. If the total pressure of system is 2atm at `t=0 "and" 1.2 "atm at" t= 20 "min"`. then the value of 'n' is :

Text Solution

Verified by Experts

The correct Answer is:
5
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise match the column type|13 Videos

  • CHEMICAL BONDING-I

    GRB PUBLICATION|Exercise Subjective Type|120 Videos

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise SBJECTIVE TYPE|98 Videos

Similar Questions

Explore conceptually related problems

For a first order reactin, rate constant is given is log k = 14 - (1.2 xx 10^(4))/(T) , then what will be value of temperature if its half life period is 6.93 xx 10^(-3) min ?

For a first order gas phase reaction : A_((g)) to 2B_((g)) +C_((g)) P_(0) be initial pressure of A and P_(t) the total pressure at time 't'. Integrated rate equation is :

Consdier a first order gas phase reaction, A(g) rarr 2B(g) + C(g) The initial pressure taking only A in a rigid vessel was found to be P atme. After a lapse of 10 minutes, the pressure of the system increases by x units and became P_(10) atm. The rate constant for the reaction is given by :

The gas phase decomposition of dimethylether follows first order kinetics CH_3-O-CH_3(g)rarrCH_4(g)+H_2(g)+CO_((g)) The reaction is carried out in constant volume container at 500^@C and has a half - life of 14.5 . Initially only dimethylether is present at a pressure of 0.40 atm . The total pressure of the system after 12 min is x/100 atm . The value of x is [Given 10^(0.25)=1.778 ]

If the half-life period of a first order reaction is 138.6 min, then the value of decay constant for the reaction will be ("in min"^(-1))

For any reaction A(g) rarr B(g) , rate constant k = 8.21 xx 10^(-2) atm/min at 300 K. If initial concentration of A is 2M then what is the half life (in hr.)?

Half-life period of a first order reaction is 10 min. Starting with initial concentration 12 M, the rate after 20 min is

A first order reaction has t_(1//2) = 6.93 min . The rate constant is……….. .

GRB PUBLICATION-CHEMICAL KINETICS-Subjective Type
  1. A gaseous substance A undergoes first order dissociation to give B ,C ...

    Text Solution

    |

  2. A first order reaction occurs 40% in 120 min at 25^(@)C and in 15 min...

    Text Solution

    |

  3. For a first order polymerisation reaction: nA(g) to A(n) (g) occur...

    Text Solution

    |

  4. Calculate specific activity of a radioactive nucleus having average li...

    Text Solution

    |

  5. H(2)O(2) decomposes in an aqueous solution to give H(2)O and oxygen ga...

    Text Solution

    |

  6. The total nubmer of alpha "and" beta particles emitted in the nuclear ...

    Text Solution

    |

  7. The Arrhenius equation for two first order equation A to B "and" C t...

    Text Solution

    |

  8. For the first order decomposition reaction: 2N(2)O(5) (g) to 4NO(2) ...

    Text Solution

    |

  9. For a gaseous reaction, 2A(g) + B(g) to C(g) , DeltaH =- 30 "Kcal"//...

    Text Solution

    |

  10. 5 milli-moles of a solid A was dissolved in 5 moles of H(2)O. On addin...

    Text Solution

    |

  11. For the first order reaction :A(g) to 2B(g) + C(g) the half life for t...

    Text Solution

    |

  12. For a third order reaction the ratio of t(1//3) "and"t(2//3) is T [t(1...

    Text Solution

    |

  13. For the sequential reaction: A.overset(k(1)=0.2"min"^(-1))(to)Bovers...

    Text Solution

    |

  14. A first order reaction, 3A (g) to 2B(g) + 3C (g) Starting with pu...

    Text Solution

    |

  15. The number of neutrons emitted when .(92)^(235) U undergoes controlled...

    Text Solution

    |

  16. For the reaction A(g) to 2B(g) (d[B])/(dt) = 6xx10^(-4) M sec^(-1) "...

    Text Solution

    |

  17. If activation energy of reaction is given as (2500 + 3T) R then calcul...

    Text Solution

    |

  18. 2A + 3B to 4C is a complex reaction with rate law, r=k[A]^(0) [B]^(1)...

    Text Solution

    |

  19. A tribasic acid ,H(3)A, dissociates into a dibasic acid , H(2)B and a ...

    Text Solution

    |

  20. To carry out metabolim oxygen is taken up by haemoglobin (Hb) to from ...

    Text Solution

    |