Home
Class 12
CHEMISTRY
The decomposition of phosphine [PH(3)] o...

The decomposition of phosphine `[PH_(3)]` on tungsten at low pressure is a first-order reaction. It is because the

A

Rate is proportional to the surface coverage

B

Rate is inversely proportional to the surface coverage

C

Rate in independent of the surface coverage

D

Rate of decomposition is very slow

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION D : Assertion - Reason Type Questions)|15 Videos
  • CHEMICAL KINETICS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION B : Objective Type Questions)|20 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    AAKASH INSTITUTE|Exercise Assignment Section J (Aakash Challengers Questions)|10 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    AAKASH INSTITUTE|Exercise Assignment ( SECTION - A)|45 Videos

Similar Questions

Explore conceptually related problems

Catalytic decomposition of phoshine on hot tungsten at high pressure is _______ reaction .

Assertion : The decomposition of gaseous ammonia on a hot platinum surface is a zero order reaction at high pressure. For a zero order reaction the rate of reaction is independent of initial concentration.

AAKASH INSTITUTE-CHEMICAL KINETICS-ASSIGNMENT (SECTION C : Previous Year Questions)
  1. A first order reaction has a specific reaction rate of 10^(-2) s^(-1)....

    Text Solution

    |

  2. Mechanism of a hypothetical reaction X(2) + Y(2) rarr 2XY is given b...

    Text Solution

    |

  3. The decomposition of phosphine [PH(3)] on tungsten at low pressure is ...

    Text Solution

    |

  4. The addition of a catallystic during a chemical reaction alters which ...

    Text Solution

    |

  5. The rate of a first-order reaction is 0.04 "mol L"^(-1) s^(-1) at 10 s...

    Text Solution

    |

  6. The rate constant of the reaction A rarr B is 0.6 xx 10^(-3) mole per ...

    Text Solution

    |

  7. The activation energy of a reaction can be determine from the slope of...

    Text Solution

    |

  8. When initial concentration of a reactant is doubled in a reaction, its...

    Text Solution

    |

  9. A reaction having equal energies of activation for forward and reverse...

    Text Solution

    |

  10. What is the activation energy for a reaction if its rate doubles when ...

    Text Solution

    |

  11. In a zero order reaction for every 10^@ rise of temperature , the rate...

    Text Solution

    |

  12. In a reaction , A + B rarr product rate is doubled when the concentra...

    Text Solution

    |

  13. Which one of the following statements for the order of a reaction is i...

    Text Solution

    |

  14. The unit of rate constant for a first order reaction

    Text Solution

    |

  15. The half life of a substance in a certain enzyme catalyzed reaction is...

    Text Solution

    |

  16. For the reaction, N2O5(g) rarr 2NO2(g)+1//2O2(g), the value of rate of...

    Text Solution

    |

  17. For an endothermic reaction, energy of activation is Ea and enthalpy o...

    Text Solution

    |

  18. During the kinetic study of the reaction, 2A +B rarrC+D , following re...

    Text Solution

    |

  19. The rate of the reaction, 2NO+Cl2 rarr2NOCl is given by the rate equat...

    Text Solution

    |

  20. For the reaction , N2+3H2rarr2NH3 if (d[NH3])/(dt)=2xx10^(-4)"mol L"^(...

    Text Solution

    |