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Q.

If n = 6, the correct sequence for filling of electrons will be

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a

ns→(n−1)f→(n−2)f→np

b

ns→(n−2)f→(n−1)d→np

c

ns→np→(n−1)d→(n−2)f

d

ns→(n−2)f→np→(n−1)d

answer is B.

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Detailed Solution

detailed_solution_thumbnail
  • If the principle quantum number n = 6, the correct sequence of filling of electron will be:
  •  ns→(n−2)f→(n−1)d →np.
  • Here, n=6. Hence, the correct sequence of filling of electron will be 6s→4f→5d→6p.
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