Home
Class 11
CHEMISTRY
The distance between 4th and 3rd Bohr or...

The distance between 4th and 3rd Bohr orbits of `He^(+)` is :

A

`2.645xx10^(-10)m`

B

`1.322xx10^(-10)m`

C

`1.851xx10^(-18)m`

D

None

Text Solution

Verified by Experts

The correct Answer is:
3
`r=0.529(n^(2))/(Z)A,`
`r_(4)-r_(2)=0.529((16)/(2)-(9)/(2))A=1.851xx10^(-10)m`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    RESONANCE ENGLISH|Exercise Inorganic chemistry (Chemistry Bonding)|38 Videos

  • ATOMIC STRUCTURE

    RESONANCE ENGLISH|Exercise ORGANIC CHEMISTRY(Fundamental Concept )|16 Videos

  • AROMATIC COMPOUNDS

    RESONANCE ENGLISH|Exercise PART-II : JEE (MAIN)|1 Videos

  • CHEMICAL BONDING

    RESONANCE ENGLISH|Exercise ORGANIC CHEMISTRY(Fundamental Concept )|6 Videos

Similar Questions

Explore conceptually related problems

Radius of 3rd Bohr orbit is

The difference between the radii of 3^(rd) and 4^(th) orbits of Li^(2+) is Delta R_(1) . The difference between the radii of 3^rd and 4^(th) orbits of He^(+) is DeltaR_(2) . Ratio DeltaR_(1) : Delta R_(2) is :

The ratio of the radius difference between 4^(th) and 3^(rd) orbit of H-atom and that of Li^(2+) ion is :

The ratio of the differrence between the first and second Bohr orbit energies to that between second and third Bohr orbit energies is

The ratio of the differrence between the first and second Bohr orbit energies to that between second and third Bohr orbit energies is

The energy of the second Bohr orbit in the hydrogen atom is -3.41eV. The energy of the second Bohr orbit of He^(+) ion would be :

Difference between n^(th) and (n+1)^(th) Bohr's radius of H atom is equal to it's (n-1)^(th) Bohr's radius. The value of n is

Difference between n^(th) and (n+1)^(th) Bohr's radius of H atom is equal to it's (n-1)^(th) Bohr's radius. The value of n is

The velocity of electron moving in 3rd orbit of He^(+) is v. The velocity of electron moving in 2nd orbit of Li^(+2) is

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

RESONANCE ENGLISH-ATOMIC STRUCTURE-ORGANIC CHEMISTRY(Fundamental Concept )
  1. The distance between 4th and 3rd Bohr orbits of He^(+) is :

    Text Solution

    |

  2. The magnetic moment of .25Mn in ionic state is sqrt(15)B.M, then Mn is...

    Text Solution

    |

  3. The spin only magnetic of Cr^(3+) in aqueous solution would be :

    Text Solution

    |

  4. psi^(2)=0 represent

    Text Solution

    |

  5. Observe the following statements regarding isotones : a. .^(39)K and...

    Text Solution

    |

  6. If n(1) and n(2) are the boundary value principal quantum numbers of a...

    Text Solution

    |

  7. What is the potential energy of an electron present in N- shell of th...

    Text Solution

    |

  8. In which of the following transition, the wavelength will be minimum ...

    Text Solution

    |

  9. The ratio of kinetic energy and potential energy of an electron in a B...

    Text Solution

    |

  10. Total Number of unpaired electrons in d- orbitals of an atom element o...

    Text Solution

    |

  11. Photons of minimum energy 496k,J. mol^(-1) are needed to an atoms. Cal...

    Text Solution

    |

  12. According to Bohr's model, if the kinetic energy of an electron in 2^(...

    Text Solution

    |

  13. Last line of Lyman series for H- atom has wavelength lambda(1) A,2^(nd...

    Text Solution

    |

  14. Which electronic level would allow the hydrogen atom to absorb a photo...

    Text Solution

    |

  15. Number of nomal planes ( planes of zero electron densit ) in the d(xy)...

    Text Solution

    |

  16. The uncertainty in position and velocity of the particle are 0.2mm and...

    Text Solution

    |

  17. A particle initially at rest having charge q coulomb, & mass m kg i...

    Text Solution

    |