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Question 21039
NEET Chemistry · Hard

Structure of Atom: Hydrogen-like ions MCQ

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Hydrogen-like ionsHardQuestion 21039

Question

For He+He^+, the energy of first orbit is:

  1. A
    -54.4 eV
    Correct
  2. B
    -13.6 eV
  3. C
    -27.2 eV
  4. D
    -3.4 eV

Correct answer

-54.4 eV

Explanation

Energy scales as −13.6Z2/n2-13.6Z^2/n^2 and here Z = 2.

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