Home
Class 11
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^(2+) 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

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise de Brogile and Heisenberg|43 Videos
  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Schrodinger Wave equation|24 Videos
  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Planck s Theory|38 Videos
  • CHEMICAL EQUILIBRIUM

    GRB PUBLICATION|Exercise D.Le Chateliera principle|16 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

GRB PUBLICATION-ATOMIC STRUCTURE-Bohr s Theory
  1. If the ionization energy of He^(+) is 19.6xx10^(-18) J per atom then t...

    Text Solution

    |

  2. The binding energy of e^(-) in ground state of hydrogen atom is 13.6 e...

    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 principal quantum number for a circular orbit of ...

    Text Solution

    |

  5. Which of the correct relationship?

    Text Solution

    |

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

    Text Solution

    |

  7. If velocity of an electron in 1st orbit of H atoms is V , what will b...

    Text Solution

    |

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

    Text Solution

    |

  9. The species which has its fifth ionization potential equal to 340 V is...

    Text Solution

    |

  10. In hydrogen atom an whit has a diemeter of about 16.92Å .What in the...

    Text Solution

    |

  11. Ratio of frequency of revolution of electron in the second state of H...

    Text Solution

    |

  12. The number of waves in the fourth bohr orbit of hydrogen is

    Text Solution

    |

  13. An excited hydrogen atom returns to the ground state . The wavelength ...

    Text Solution

    |

  14. What is the separation energy (in eV ) for Be^(3+) in the first excite...

    Text Solution

    |

  15. When an electron makes a transition from (n + 1) state to n state ...

    Text Solution

    |

  16. Which of the following statements is wrong for H-like atom ?

    Text Solution

    |

  17. The angular momentum of electron in an excited H atom is (h)/(pi) . Th...

    Text Solution

    |

  18. Potential energy of electron present in 2nd orbit of Li^(2+) is :(r(0)...

    Text Solution

    |

  19. The maximum energy is present in any electron at

    Text Solution

    |

  20. When electron in a Bohr atom is excited then which of the following in...

    Text Solution

    |