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An electron in to be removed from the fi...

An electron in to be removed from the first energy level of hydrogen atom .How much energy is required for this purpose ?

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The correct Answer is:
A, B, C, D
`Delta E = E_(oo) - E_(1) = 0 - (- 1312 kJ mol^(-1)) = 1312 kJ mol^(-1)`
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Knowledge Check

  • When an electron is removed from an atom, its energy

    A
    increase
    B
    decreases
    C
    remains the same
    D
    none of these

  • When an electron is removed from an atom, its energy :

    A
    increases
    B
    decreases
    C
    remains the same
    D
    none of the above

  • When an electron is removed from an atom, its energy :

    A
    increases
    B
    decreases
    C
    remains the same
    D
    none of the above

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    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?

    How much energy is required to ionise a hydrogen atom if the electron occupies n=5 orbit ? Compare your answer with the ionisation energy of hydrogen atom (energy required to remove the electron from n=1 orbit).

    An electron in a hydrogen atom in the ground state absorbs energy equal to 1.5 time the minimum energy required to remove the electron from the hydrogen atom. Calculate the wavelength of the electron emitted.

    In the lowest energy level of hydrogen atom, the electron has the angular momentum

    If the electron in a hydrogen atom were in the energy level with n 3, how much energy in joule would be required to ionise the atom ? ( Ionisation energy of H - atoms is 2.18 xx 10^(-18) J ) :

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