NEET · Chemistry · STD 11 - 2. structure of atom
If radius of second Bohr orbit of the \(He ^{+}\)ion is \(105.8\,pm\), what is the radius of third Bohr orbit of \(Li ^{2+}\) ion?
- A \(15.87 \,pm\)
- B \(1.587 \,pm\)
- C \(158.7\, \mathring A\)
- D \(158.7 \,pm\)
Answer & Solution
Correct Answer
(D) \(158.7 \,pm\)
Step-by-step Solution
Detailed explanation
Acc. to Bohr's atomic model \(r \propto \frac{n^{2}}{z} \quad\quad\quad 3^{\text {rd }}\) orbit of \(Li ^{+2} \quad\quad\quad n _{1}=3,Z_{1}=3\)
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