Home
Class 11
CHEMISTRY
The energy of an excited H-atom is -3.4e...

The energy of an excited H-atom is -3.4eV. Calculate angular momentun of `e^(-)`in the given orbit.

Text Solution

Verified by Experts

`E=-13.6(Z^(2))/n^(2)rArr``n^(2)=(13.6)/3.4=4 `
`n=2`
Angular momenturem` =mvr=(nh)/pi=(h)/pi`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    BANSAL|Exercise Solved Examples|17 Videos

  • ATOMIC STRUCTURE

    BANSAL|Exercise Exercise|12 Videos

  • GENERAL ORGANIC CHEMISTRY

    BANSAL|Exercise Exercise 3|9 Videos

Similar Questions

Explore conceptually related problems

The energy of an excited H-atom is -3.4eV . Calculate angular momentum of e^(-)

The energy of an excited H-atom is -1.51 eV. Angular momentum of e^- in the given orbit will be

The energy of hydrogen atom in excited state is -3.4 eV. The angular momentum of electron is

The energy of an excited hydrogen atom is -0.85 eV . Find the angular momentum of the electron. (h = 6.63 xx 10^(-34) J.s., pi = 3.142, E_(1) = -13.6 eV)

The energy of an excited hydrogen atom is 0.38 eV. Its angular momentum is n . h/(2pi) . Find n

The energy of electron in an excited hydrogen atom is -3.4eV . Its angular momentum according to bohr's theory will be

The energy of an excited hydrogen atom is -3.4eV. The principal quantum number of the orbit is

the nergy of an excited state of H atom is -0.85 eV. What will be the quantum number of the orbit, if the ground state energy for hydrogen is -13.6 eV?

Energy of an electron in an excited hydrogen atom is -3.4eV . Its angualr momentum will be: h = 6.626 xx 10^(-34) J-s .

BANSAL-ATOMIC STRUCTURE-Exercise.3
  1. The energy of an excited H-atom is -3.4eV. Calculate angular momentun ...

    Text Solution

    |

  2. The wavelenght of a certain line in the Paschen series in 1093.6 nm ...

    Text Solution

    |

  3. Calculate the Rydberg constant RH if He^+ ions are known to have the ...

    Text Solution

    |

  4. A photon having lambda = 854 Å cause the ionization of a nitrogen atom...

    Text Solution

    |

  5. H-atoms is exposed to electromagnetic radition of 1028Åand gives out ...

    Text Solution

    |

  6. The velocity of electron in a certain bohr orbit of hydrogen bears t...

    Text Solution

    |

  7. A doubly ionised lithium atom is hydrogen like with atomic number Z=3 ...

    Text Solution

    |

  8. Estimate the difference in energy between the first and second Bohr'...

    Text Solution

    |

  9. 1.8 g hydrogen atoms are excited to raditions . They study of spectra...

    Text Solution

    |

  10. If the average life time of an excited state of H atom is of order 10^...

    Text Solution

    |

  11. Calculate the binding energy per mole when threshold wavelength of pho...

    Text Solution

    |

  12. A potential difference of 20kV is applied across an X-ray tube. Find t...

    Text Solution

    |

  13. What is de-Broglie wavelength of a He-atom in a container at room temp...

    Text Solution

    |

  14. A portons is accelrated to one -tenth of the velocity of light . If it...

    Text Solution

    |

  15. To what effective potential a proton beam be subjected to give its pro...

    Text Solution

    |

  16. He atom can be excited to 1s^(1)2p^(1)"by"lambda=58.44 nm If lowest...

    Text Solution

    |

  17. The quantum yield for decomposition of HI id 0.2 .In an experiment ...

    Text Solution

    |

  18. Calculate the wavelength of the radiation that would cause photo disso...

    Text Solution

    |

  19. The dissociation energy of H(2) is 430.53 kJ mol^(-1), If H(2) is of d...

    Text Solution

    |

  20. X-rays emitted from a copper target and a molybdenum target are found ...

    Text Solution

    |

  21. An energy of 68eV is required to excite a hydrogen like atom from its...

    Text Solution

    |