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Which of the following sets of quantum numbers is not allowed?

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Atomic StructureDrawbacks of Bohr model, quantum model intro, quantum numbersHARDJEE Chemistry
Which of the following sets of quantum numbers is not allowed? **Options:** - **A.** n = 3, l = 1, m = +2 - **B.** n = 3, l = 1, m = +1 - **C.** n = 3, l = 0, m = 0 - **D.** n = 3, l = 2, m = 2 --- **Difficulty:** HARD | **Chapter:** Atomic Structure | **Topic:** Drawbacks of Bohr model, quantum model intro, quantum numbers

Official Solution

## ✅ Correct Answer: **A** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✓ n = 3, l = 1, m = +2... (B) ✗ n = 3, l = 1, m = +1... (C) ✗ n = 3, l = 0, m = 0... (D) ✗ n = 3, l = 2, m = 2... **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 StructureDrawbacks of Bohr model, quantum model intro, quantum numbersHARDJEE Chemistry