engineering chemistry MCQ #937

The ionization energy of He+ is

engineering chemistry MCQ #937

  1. Question 1

    Q1. The ionization energy of He+ is

    • A) 54.4 eV
    • B) 13.6 eV
    • C) 27.2 eV
    • D) 108.8 eV

    Answer: 54.4 eV

    Explanation: Ionization energy of He+ is Z² times that of H, so 4 x 13.6 = 54.4 eV.