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The general electronic configuration of d-block elements is:
  • a)
    ns2(n−1)d1−10
  • b)
    ns1−2(n−1)d1−10
  • c)
    ns0−2(n−1)d1−10
  • d)
    ns0−2(n−1)d0−10
Correct answer is option 'C'. Can you explain this answer?

The correct option is C
ns0−2 (n−1)d1−10
(n-1)d has to be filled and the ns orbital may or may not be filled.
(n-1)d orbital has a lower energy than the ns orbital.

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