engineering chemistry MCQ #999

The ratio of the energies of the first three orbits is

engineering chemistry MCQ #999

  1. Question 1

    Q1. The ratio of the energies of the first three orbits is

    • A) 1 : 1/4 : 1/9
    • B) 1 : 4 : 9
    • C) 1 : 1/2 : 1/3
    • D) 1 : 2 : 3

    Answer: 1 : 1/4 : 1/9

    Explanation: Using E ∝ 1/n², the ratio of energies is 1/1² : 1/2² : 1/3² = 1 : 1/4 : 1/9.