COMEDK · Chemistry · 2. Structure of Atom
The Bohr orbit of the hydrogen atom (n=1) is 0.530 Å. The radius of the first excited state orbit in Å is:
- A \(2.12\)
- B \(1.66\)
- C \(0.16\)
- D \(5.21\)
Answer & Solution
Correct Answer
(A) \(2.12\)
Step-by-step Solution
Detailed explanation
The radius of the \(n\)th Bohr orbit for a hydrogen-like species is given by \(r_n = r_1 \times \dfrac{n^2}{Z}\). For a hydrogen atom, \(Z = 1\). The first excited state corresponds to \(n = 2\). Given \(r_1 = 0.530\) Å. Substituting the values, we get…
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