The quantum numbers of six electrons are given below. Arrange them in order of increasing energies. List if any of these combination(s) has/have the same energy (i) n = 4, l = 2, ml = -2, ms = -1/2 (ii) n = 3, l = 2, ml = 1, ms = +1/2 (iii) n = 4, l = 1, ml = 0, ms = +1/2 (iv) n = 3, l = 2, ml = -2, ms = -111 (v) n = 3, l = l, ml = -1, ms = +1/2 (vi) n = 4, l = 1, ml = 0, ms = +1/2

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Ncert Solutions Chemistry Class 11th Chemistry Class 11th Structure of Atoms

The quantum numbers of six electrons are given below. Arrange them in order of increasing energies. List if any of these combination(s) has/have the same energy
(i) n = 4, l = 2, m_l = -2, m_s = -1/2
(ii) n = 3, l = 2, m_l = 1, m_s = +1/2
(iii) n = 4, l = 1, m_l = 0, m_s = +1/2
(iv) n = 3, l = 2, m_l = -2, m_s = -111
(v) n = 3, l = l, m_l = -1, m_s = +1/2
(vi) n = 4, l = 1, m_l = 0, m_s = +1/2

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alok kumar singh | Contributor-Level 10

3 months ago

The electrons may be assigned to the following orbitals :
(i) 4d
(ii) 3d
(iii) 4p
(iv) 3d
(v) 3p
(vi) 4p.
The increasing order of energy is :
(v) < (ii) = (iv) < (vi) = (iii) < (i)

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