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The quantum number of four electrons are given below:I. n = 4, l = 2, mₗ = -2, mₛ = -1/ 2 II. n = 3, l = 2, mₗ = 1, mₛ = +1/ 2III. n = 4, l = 1, mₗ = 0, mₛ = +1/ 2IV. n = 3, l = 1, mₗ = 1, mₛ = -1/ 2The correct order of their increasing energies will be: (A) I < III < II < IV (B) I < II < III < IV(C) IV < II < III < I (D) IV < III < II < I

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ANSWER:

answer is option (B)

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