Home
Class 12
CHEMISTRY
The decomposition of formic acid on gold...

The decomposition of formic acid on gold surface follows first order kinetics. If the rate constant at `300 K is 1.0 xx 10 ^(-3) s ^(-1) and ` and the activation energy `E _(a) =11,488 Kj mol ^(-1).` the rate constant at `200 K is "________"xx 10 ^(-5) s ^(-1).` (Round off to the Nearest Integer). (Given :`R= 8.314 J mol ^(-1) K ^(-1))`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISTRY SECTION A|60 Videos
  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISTRY SECTION B|30 Videos
  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISTRY (SECTION A)|40 Videos
  • JEE MAIN

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISTRY|150 Videos
  • JEE MAIN 2022

    JEE MAINS PREVIOUS YEAR|Exercise Question|561 Videos

Similar Questions

Explore conceptually related problems

The activation energy of a reaction is 94.14 kJ mol^(-1) and the value of rate constant at 313 K is 1.8 xx 10^(-5)s^(-1) . Calculate the frequency factor A.

The activation energy of a reaction is 94.14 "kJ mol"^(-1) and the value of rate constant at 313 K is 1.8xx10^(-5) s^(-1) . Calculate the frequency factor A

The first order rate constant for the decomposition of CaCO_3 , at 700 K is 6.36 xx 10^(-3)s^(-1) and activation energy is 209 "kJ mol"^(-1) . Its rate constant (in s^(-1) ) at 600 K is "x" xx 10^(-6) . The value of x is ______ .(Nearest integer) [Given R=8.31 J K^(-1) "mol"^(-1) , log 6.36 xx 10^(-3)= -2.19, 10^(-4.79)= 1.62 xx10^(-5) ]

A reaction has a rate constant k=8.54 xx 10^(-4)M s^(-1) at 45^(@) C and an activation energy, E_(a)=90.8KJ . What is the value of K at 25^(@) C?

The activation energy of a reaction is zero. Its rate constant at 280 K is 16 xx 10^(-6) s^(-1) the rate constant at 300k is

The energy of activation of a reaction is 140 kJ "mol"^(-1) . If its rate constant at 400 K is 2.0xx10^(-6) s^(-1) , what is the value at 500 K

JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-CHEMISTRY (SECTION B)
  1. Two salts A(2)X and MX have the same value of solubility product of 4....

    Text Solution

    |

  2. 2Mn O (4) ^(-) + b C(2) O (4) ^(2-) + cH^(+) to x Mn ^(2+) + y CO (2) ...

    Text Solution

    |

  3. AB(2) is 10% dissociated in water to A^(2+) and B^(-) The boiling po...

    Text Solution

    |

  4. The equivalents of ethylene diamine required to replace the neutral li...

    Text Solution

    |

  5. The decomposition of formic acid on gold surface follows first order k...

    Text Solution

    |

  6. When light of wavelength 248 nm falls on a metal of threshold energy 3...

    Text Solution

    |

  7. Complete combustion of 750 g of an organic compound provides 420 g of ...

    Text Solution

    |

  8. A 650 molar solution of KOH (aq.) has a density of1.89 g cm ^(-3). The...

    Text Solution

    |

  9. For the reaction A(g) = B (g) at 495 K, Delta (r ) G ^(@)=- 9. 478 kJ ...

    Text Solution

    |

  10. A certain element crystallises in a bcc lattice of unit cell edge leng...

    Text Solution

    |

  11. A certain orbital has n = 4 and m(L) = -3 . The number of radial nodes...

    Text Solution

    |

  12. The pressure exerted by a non-reactive gaseous mixture of 6.4g of meth...

    Text Solution

    |

  13. The oxygen dissolved in water exerts a partial pressure of 20 kPa in t...

    Text Solution

    |

  14. In the above reaction, 3.9 g of benzene on nitration gives 4.92 g of n...

    Text Solution

    |

  15. For a certain first order reaction 32% of the reactant is left after ...

    Text Solution

    |

  16. 15 mL of aqueous solution of Fe^(2+) in acidic medium completely react...

    Text Solution

    |

  17. 0.01 moles of a weak acid HA ( K(a) = 2.0 xx 10^(-6) ) is dissolved in...

    Text Solution

    |

  18. The mole fraction of a solution in a 100 molal aqueous solution is ""x...

    Text Solution

    |

  19. The standard enthalpies of formation of Al(2) O(3) and CaO are - 1675 ...

    Text Solution

    |

  20. The reaction of white phosphorus on boiling with alkali in inert atmos...

    Text Solution

    |