Home
Class 12
CHEMISTRY
Correct order of radius of the first orb...

Correct order of radius of the first orbit of `H, He^+, Li^(2 +), Be^(3 +)` is :

A

`H gt He^(+) gt Li^(2+) gt Be^(3+)`

B

`Be^(3+) gt Li^(2+) gt He^(+) gt H`

C

`He^(+) gt Be^(3+) gt Li^(2+) gt H`

D

`He^(+) gt H gt Li^(2+) gt Be^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR CHEMISTRY

    RESONANCE|Exercise Exercise-2|25 Videos
  • NUCLEAR CHEMISTRY

    RESONANCE|Exercise Exercise-20|1 Videos
  • NUCLEAR CHEMISTRY

    RESONANCE|Exercise Exercise-1|47 Videos
  • NITROGEN CONTAINING COMPOUNDS

    RESONANCE|Exercise ORGANIC CHEMISTRY(Nitrogen containing Compounds)|30 Videos
  • P BLOCK ELEMENTS

    RESONANCE|Exercise PART -II|24 Videos

Similar Questions

Explore conceptually related problems

The ratio of radii of first orbits of H, He^(+) and Li^(2+) is:

The radius of the first Bohr orbit for H^(o+) is

The radius of the second Bohr orbit for Li^(2+) is :

Calculate ratio of radius of 1 ^(st) orbit of H atom to Li ^(+2) ion :

If the radius of the second orbit of hydrogen atom is a Å then radius of the first orbit of Li^(2+) ion (in Å ) will be

The radius of the first orbit of H-atom is r. then the radius of the first orbit of Li^(2+) will be:

If the radius of the first Bohr orbit of the H atom is r then for the Li^(2+) ion it will be:

The correct order of energy of 2s orbitals in H,Li,Na and K, is

The radius ratio of Bohr's first orbit of hydrogen like species He^(+),Li^(2+),Be^(3+) is

The ratio of the fifth orbit of He^("Theta") and Li^("Theta") will be

RESONANCE-NUCLEAR CHEMISTRY-PART -II
  1. Light of wavelength lambda falls on metal having work functions hc//la...

    Text Solution

    |

  2. A phot of energy h upsilon is absorbed by a free electron of a metal h...

    Text Solution

    |

  3. Correct order of radius of the first orbit of H, He^+, Li^(2 +), Be^(3...

    Text Solution

    |

  4. What is likely to be orbit number for a circular orbit of diameter 20 ...

    Text Solution

    |

  5. Which is the correct relationship? (a). E(1) of H=1//2E(2) of He^(+)=1...

    Text Solution

    |

  6. If the value of E=-78.4 "kcal//mol", the order of the orbit in hydroge...

    Text Solution

    |

  7. If velocity of an electron in I orbit of H atom is V, what will be the...

    Text Solution

    |

  8. In a certain electronic transition in the hydrogen atoms from an init...

    Text Solution

    |

  9. S(1) : Bohr model is applicable for Be^(2+) ion . S(2) : Total ener...

    Text Solution

    |

  10. S(1) : Potential energy of the two opposite charge system increase wit...

    Text Solution

    |

  11. The energy of a hydrogen atom in its ground state is -13.6 eV. The ene...

    Text Solution

    |

  12. The wavelength of a spectral life for an electronic transition inverse...

    Text Solution

    |

  13. In a sample of H- atom electrons make transition from 5^(th) excited ...

    Text Solution

    |

  14. Total no of lines in Lyman series of H spectrum will be- (where n=n...

    Text Solution

    |

  15. Number of visible lines when an electron returns from 5th orbit to gro...

    Text Solution

    |

  16. Suppose that a hypothetical atom gives a red, green, blue and violet l...

    Text Solution

    |

  17. The difference between the wave number of 1st line of Balmer series an...

    Text Solution

    |

  18. The approximate wavelength associated with a gold-ball weighting 200 g...

    Text Solution

    |

  19. What possible can be the ratio of the de-Broglie wavelength for two el...

    Text Solution

    |

  20. In H-atom if r1 is the radius fo first Bohr orbit de-Broglie wavelengt...

    Text Solution

    |