The radius of first orbit of H-atoms is 0.529 Å. The radius of first orbit of D-atoms should be — Atomic Structure Chemistry Question
Question
The radius of first orbit of H-atoms is 0.529 Å. The radius of first orbit of D-atoms should be
Answer: B
💡 Solution & Explanation
The Bohr radius is inversely proportional to the reduced mass of the system. The reduced mass of deuterium (D) is slightly greater than that of hydrogen (H). Consequently, its radius will be slightly less than 0.529 Å. Therefore, correct answer is B.
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