engineering chemistry MCQ #939

The ratio of the energies of the first two orbits of H-atom is

engineering chemistry MCQ #939

  1. Question 1

    Q1. The ratio of the energies of the first two orbits of H-atom is

    • A) 1 : 4
    • B) 4 : 1
    • C) 1 : 1/4
    • D) 1/4 : 1

    Answer: 1 : 4

    Explanation: Energy ratio is E1 : E2 = -13.6 : -13.6 / 4 = 1 : 1/4 or 4 : 1, so 1 : 4 is the correct ratio of absolute values.