Home
Class 12
CHEMISTRY
Calculate for a hydrogen atom and a He^(...

Calculate for a hydrogen atom and a `He^(+)` ion:
(a) the radius of the first Bohr orbit and velocity of an electron moving along it ,
(b) the kinetic energy and the binding energy of an electron in the ground state,
(c ) the ionization potential, the first excitation potential and the wavelength of the resonance line (`n' =2 rarr=1)`

Promotional Banner

Topper's Solved these Questions

  • CLASSROOM PROBLEMS

    MOTION|Exercise Chemical Kinetics|30 Videos

  • CLASSROOM PROBLEMS

    MOTION|Exercise Chemical Equilibrium|38 Videos

  • Chemical Kinetics

    MOTION|Exercise Exercise - 4 (Level - II) (SUBJECTIVE PROBLEM)|1 Videos

  • CLASSROOM PROBLEMS 1

    MOTION|Exercise THERMODYNAMICS|17 Videos

Similar Questions

Explore conceptually related problems

Calculate for a hudrogen atom and a He^(+) ion: (a) the radius of the first Bohr orbit and velocity of an electron moving along it , (b) the kineric energy and the binding energy of an electron in the ground state, (c ) the ironizartion potential, the first excitaion potential and the wavelength of the resonance line ( n' =2 rarr=1)

Calculate for a hydrogen atom the ionization potential, the first excitation potential and the wavelength of the resonance line (n'=2 rarr n=1) .

Calculate the kinetic energy and potential energy of electron in hydrogen atom in its ground state.

If the potential energy of a H-atom in the ground state be zero then its potential energy in the first excited state will be

Calculate the radius of the first Bohr orbit of a He^(+) ion and the binding energy of its electron in the ground state.

The kinetic energy of electron in the first Bohr orbit of the hydrogen atom is

The energy required to excite an electron from the ground state of hydrogen atom to the first excited state, is

Show that the kinetic energy of an electron in the first Bohr orbit (ground state) is numerically half of its potential energy.

Calculate the energy of an electron in the first Bohr orbit of He^(+) .

The energy of the electron in the ground state of hydrogen atom is -13.6 eV . Find the kinetic energy and potential energy of electron in this state.

MOTION-CLASSROOM PROBLEMS -Electrochemistry
  1. Calculate for a hydrogen atom and a He^(+) ion: (a) the radius of th...

    Text Solution

    |

  2. A current of 3.6A is a passed for 6 hrs between Pt electrodes in 0.5L ...

    Text Solution

    |

  3. A Zn rod weighing 25g was kept in 100 mL of 1M CuSO4 solution. After a...

    Text Solution

    |

  4. 50 mL of 0.1 M CuSO4 solution is electrolysed using Pt electrodes with...

    Text Solution

    |

  5. An electric current is passed through electrolytic cells in series one...

    Text Solution

    |

  6. A current of 1.70A is passed trhough 300.0 mL of 0.160M solution of Zn...

    Text Solution

    |

  7. An acidic solution of Cu^(2+) salt containing 0.4g of Cu^(2+) is elect...

    Text Solution

    |

  8. (a) If E^@ (Ag^(+)//Ag) = 0.8 V and E^@ (H^(+)//H2) = 0 V, in a cell a...

    Text Solution

    |

  9. For each of the following cells : (a) Write the equation for cell pr...

    Text Solution

    |

  10. Find the electrode potentials of the following electrodes. (a) Pt, ...

    Text Solution

    |

  11. For the cell : Zn//Zn^(2+) (x M) | | Ag^(+)/Ag (y M) (a) Write Nerns...

    Text Solution

    |

  12. If excess of Zn is added to 1.0M solution of CuSO4, find the concentra...

    Text Solution

    |

  13. A cell contains two hydrogen electrodes. The negative electrode is in ...

    Text Solution

    |

  14. Find the standard electrode potential of MnO(4)^(c-)|MnO(2). The stand...

    Text Solution

    |

  15. E.M.F. of following cell is 0.265 V at 25^@C and 0.2595 V at 35^@C. Ca...

    Text Solution

    |

  16. Calculate the EMF of the following cell at 25^@C, Pt, H2 (1 atm) / H^+...

    Text Solution

    |

  17. Calculate the electrode potential at 25^@C of Cr2O7^(2–)//Cr^(3+) elec...

    Text Solution

    |

  18. Find the K(sp) of AgCl from the following data. The standard electrode...

    Text Solution

    |

  19. The standard reduction potential of the Ag^(o+)|Ag electrode at 298K i...

    Text Solution

    |

  20. Two Daniel cells contain the same solution of ZnSO4 but differ in the ...

    Text Solution

    |

  21. During the discharge of a lead storage battery, the density of sulphur...

    Text Solution

    |