engineering chemistry MCQ #971

The Bohr radius for n = 1 is 0.53 Å. The radius for n = 4 is

engineering chemistry MCQ #971

  1. Question 1

    Q1. The Bohr radius for n = 1 is 0.53 Å. The radius for n = 4 is

    • A) 8.48 Å
    • B) 4.24 Å
    • C) 2.12 Å
    • D) 0.53 Å

    Answer: 8.48 Å

    Explanation: Using r ∝ n², r4 = r1 * (4)² = 0.53 * 16 = 8.48 Å.