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The emission spectra are observed by the consequence of transition of electron from higher energy state to ground state in Li$^{2+}$ ion. Six differen...

December 20, 2025
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Atomic StructureBohr model calculations & atomic spectrum problemsMEDIUMJEE Chemistry
The emission spectra are observed by the consequence of transition of electron from higher energy state to ground state in Li$^{2+}$ ion. Six different types of photons are observed during the emission spectra, and then what is the excitation state of Li$^{2+}$ ion? **Options:** - **A.** 3rd - **B.** 4th - **C.** 2nd - **D.** 5th --- **Difficulty:** MEDIUM | **Chapter:** Atomic Structure | **Topic:** Bohr model calculations & atomic spectrum problems

Official Solution

## ✅ Correct Answer: **A** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✓ 3rd... (B) ✗ 4th... (C) ✗ 2nd... (D) ✗ 5th... **Correct Answer: (A)** **Key Concept:** Apply fundamental principles of atomic structure to identify the correct option. --- *This is an official solution provided by Chem Mantra. For more chemistry questions and solutions, explore our [question bank](/courses).*

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Atomic StructureBohr model calculations & atomic spectrum problemsMEDIUMJEE Chemistry