umbers for the 31. The correct set ...
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umbers for the 31. The correct set of quantum numbers for unpaired electron of chlorine atom is (1) n = 2, 1 = 1, m = 0 (2) n = 2, 1 = 1, m = 1 (3) n = 3, 1 = 1, m = 1 (4) n = 3, 1 = 0, m = 0

JEE/Engineering Exams
Chemistry
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Correct Option ( (c) n=3, l=1, m=1 ) Explanation: As the electronic configuration of chlorine is ( 1 mathrm{s}^{2}, 2 mathrm{s}^{2} 2 mathrm{p}^{6}, 3 mathrm{s}^{2} 3 mathrm{p}^{5} . ) Thus the fifth electron in the ( 3 p ) subshell has quantum numbers ( 3,1,1, pm 1 / 2 )
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