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The value of the total energy of an elec...

The value of the total energy of an electron in the hydrogen atom is given by

A

`mv^2`

B

`1//2 mv^2`

C

`-e^(2) // 2r`

D

`-mv//r^2`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Energy of the electron in Hydrogen atom is given by

    A
    `E_n=-(131.28)/n^2 "kJ mol"^(-1)`
    B
    `E_n=-(131.33)/n^2 "kJ mol"^(-1)`
    C
    `E_n=-(1313.3)/n^2 "kJ mol"^(-1)`
    D
    `E_n=-(131.13)/n^2 "kJ mol"^(-1)`

  • The total energy of an electron in 4th orbit of hydrogen atom is

    A
    `-13.6eV`
    B
    `-3.4eV`
    C
    `-1.51eV`
    D
    `-0.85eV`

  • The total energy of the electron in atom is

    A
    Zero under normal conditions of temperature and pressure because electron is very small and of negligible mass
    B
    greater than zero and is insignificant
    C
    may be less or more than zero depending upon the nature of orbital involved
    D
    less than zero.

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    The ratio of kinetic energy to the total energy of an electron in a Bohr orbit of the hydrogen atom, is

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