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Ionization energy of He^(+) ion at minim...

Ionization energy of `He^(+)` ion at minimum energy position is

A

13.6 eV

B

27.2 eV

C

54.4 eV

D

68.0 eV

Text Solution

Verified by Experts

The correct Answer is:
C
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The ratio of the third ionization energy of lithium and ionization energy of H atom is of H-atom and that of Li^(+2) ion is:

Knowledge Check

  • Ionization energy of hydrogen is

    A
    equal to that of chlorine
    B
    lesser than that of chlorine
    C
    slightly higher than that of chlorine
    D
    much higher than that of chlorine.

  • Ionization energy of an element is:

    A
    Equal in magnitude but opposite in sig to the electron gain enthalpy of the cation of the element
    B
    Same as electron affinity of the element
    C
    Enegy required to remove one valence electron from an isolated gseous atom in its ground state
    D
    Equal in magnitude but opposite in sign to t no gain enthalpy of the anion of the element

  • Ionization energy of an element is:

    A
    equal in magnitude but opposite in sign to the electron gain enthalpy of the cation of the element
    B
    same as electrin affinity of the element
    C
    energy required to remove one valence electron from an isolated gaseous atom in its ground state
    D
    equal in magnitude but opposite in sign to the electron gain enthalpy of the anion of the element

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    The ionization energy of H-atom is 13.6 eV. The ionization energy of Li^(2+) ion will be:

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