Q.

The ionization energy of hydrogen atom in the ground state is 2.17×1011erg. The ionization energy of Li2+ in the ground state will be

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a

1.953×1015J

b

1.953×1018J

c

1.953×1016J

d

1.953×1017J

answer is C.

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Detailed Solution

ELi=Z2EH =322.17×1011erg =1.953×1010erg =1.953×1017J

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The ionization energy of hydrogen atom in the ground state is 2.17×10−11erg. The ionization energy of Li2+ in the ground state will be