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the energy required to excite an electro...

the energy required to excite an electron in hydrogen atom to its first excited state is

A

10.2 eV

B

5.1 eV

C

3.4 eV

D

6.8 eV

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The ionisation energy of hydrogen atom is 1.312xx10^(6) J "mol"^(-1) . Calculate the energy required to excite an electron in a hydrogen atom from the ground state to the first excited state.

The value of ground state energy of hydrogen atom is - 13.6 eV. (a) Find the energy required to move an electron from the ground state to the first excited state of the atom. (b) Determine (i) the kinetic energy, and (ii) the orbital radius in the first excited state of the atom. (Given the value of Bohr radius = 0.53Å )

Knowledge Check

  • Calculate the energy required to excite an electron in hydrogen atom from the ground state to the next higher state, if the ionsation energy for the hydrogen atom is 13.6 eV .

    A
    `3.4 eV`
    B
    `10.2 eV`
    C
    `12.1 eV`
    D
    `1.3 eV`

  • The ionization energy of hydrogen atom is -13.6 eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's constant = 6.022xx10^23 )

    A
    `1.69xx10^(-20)` J
    B
    `1.69xx10^(-23)` J
    C
    `1.69xx10^(23)` J
    D
    `1.69xx10^(25)` J

  • If potential energy of an electron in a hydrogen atom in first excited state is taken to be zero kinetic energy (in eV ) of an electron in ground state will be

    A
    `20.4 eV`
    B
    `10.2 eV`
    C
    `3.4 eV`
    D
    `5.1 eV`

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    Assume that the charge of an electron is 1.6times10^(-19) coulomb and the energy of the first orbit of hydrogen atom is -13.6 eV. If the energy required to excite the ground state electron of hydrogen atom to the first excited state, is expressed as y times10^(-19)J per atom, what is the value of y ?

    The energy of hydrogen atom in the first excited state is ____

    Energy of an electron in the nth orbit of hydrogen atom is given by E,- ev. How much energy is required to take an electron from the ground state to the first excited state?

    In a hydrogen like atom, energy required to excite the electron from its first excited state to second excited state is 7.55 eV. The energy required to remove the electron from its ground state is

    Amount of energy required to excite an electron of an atom from the lower energy state to its next higher energy state is defined as:

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