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STD 12 - 4. d and f- block elements — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. d and f- block elements4 Marks
MCQ
Transitional elements exhibit variable valencies because they release electrons from the following orbits
  • A
    $ns$  orbit
  • B
    $ns $ and $ np$  orbits
  • ✓
    $(n -1)d$  and $ns$  orbits
  • D
    $(n -1)d$  orbit
✓

Answer

Correct option: C.
$(n -1)d$  and $ns$  orbits
c
(c)$(n - 1)\,d$ and  $ns$  orbits.

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