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MCQEasyJEE Main 2025 · 28 January, Shift 1Quantum Numbers

Chemistry Question from JEE Main 2025 · 28 January, Shift 1

In a multielectron atom, which of the following orbitals described by three quantum numbers will have the same energy in absence of electric and magnetic fields? A. n=1,l=0,ml=0n = 1, l = 0, m_l = 0 B. n=2,l=0,ml=0n = 2, l = 0, m_l = 0 C. n=2,l=1,ml=1n = 2, l = 1, m_l = 1 D. n=3,l=2,ml=1n = 3, l = 2, m_l = 1 E. n=3,l=2,ml=0n = 3, l = 2, m_l = 0 Choose the correct answer from the options given below:

  • A

    D and E Only

  • B

    C and D Only

  • C

    B and C Only

  • D

    A and B Only

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