Home
Class 11
CHEMISTRY
How much energy is required to ionise a ...

How much energy is required to ionise a H atom if the electron occupies `n = 5` orbit?

A

`5.44ev`

B

`10.8ev`

C

`0.544ev`

D

`1.08ev`

Text Solution

Verified by Experts

The correct Answer is:
C
`-E_(n) = I.E. = (13.6)/(n^(2)) xx z^(2)`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

How much energy is required to ionise an H atom if the electron occupies n=5 orbit? Compare your answer with the ionisation enthaply of H atom (anargy required to remove the electronic from n=1 orbit).

How much energy is required to ionise a H - atom if the electron occupie n=5 orbit ? Compare your answer with the ionization energy fo H-atom (energy required to remove the electron from n= 1 orbit ).

How much energy is required to cause an electron of hydrogen to move from n = 1 state to n = 2 state?

Calculate the ionisation energy of the hyddrogen atom. How much energy will be required to ionise 1 mole of hydrogen atoms? Given, that the Rydberg constant is 1.0974xx10^(7)m^(-1) .

An electron is at ground state of the H atom. The minimum energy required to excite the H atom into the second excited state is

If the electron in a hydrogen atom were in the energy level with n 3, how much energy in joule would be required to ionise the atom ? ( Ionisation energy of H - atoms is 2.18 xx 10^(-18) J ) :

NARAYNA-ATOMIC STRUCTURE-All Questions
  1. The ratio of the radius of the Bohr orbit for the electron orbiting th...

    Text Solution

    |

  2. Which of the following curves may represent the radius of orbit (r(n))...

    Text Solution

    |

  3. How much energy is required to ionise a H atom if the electron occupie...

    Text Solution

    |

  4. If the speed of electron in the first bohr orbit of hydrogen atom is x...

    Text Solution

    |

  5. If the following mater travel with equal velocity the longest wavele...

    Text Solution

    |

  6. Calculate the momentum of radiation of wavelength 0.33 nm

    Text Solution

    |

  7. Which of the following statements is not correct?

    Text Solution

    |

  8. In a main energy level, the orbital with more number of nodal planes w...

    Text Solution

    |

  9. Choose the correct statement among the following:

    Text Solution

    |

  10. The maximum probability of finding electron in the d(xy) orbital is -

    Text Solution

    |

  11. Which of the following statements regarding an orbital are correct

    Text Solution

    |

  12. Which of the following statements on the atomic wave function psi is n...

    Text Solution

    |

  13. What is the full degeneracy of the n =3 state of a H-atom in the absen...

    Text Solution

    |

  14. For the azimuthal quantum number 'I' the total number of magnetic quan...

    Text Solution

    |

  15. How many sets of four quantum numbers are possible for electron presen...

    Text Solution

    |

  16. The set of quantum numbers, n = 2, l = 2, m(l) = 0 :

    Text Solution

    |

  17. The sub-energy level which can accommodate maximum number of electrons...

    Text Solution

    |

  18. The azimuthal quantum number and the principal quantum number of the 1...

    Text Solution

    |

  19. The orbital with lowest energy in which an electron with Azimuthal qua...

    Text Solution

    |

  20. The quantum numbers n = 3, l = 1, m = +1 and s = +1//2 represent the u...

    Text Solution

    |