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

CBSE BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Zinc does not show variable valency like $d-$ block elements because
  • A
    It is a soft metal
  • ✓
    $d-$ orbital is complete
  • C
    It is low melting
  • D
    Two electrons are present in the outermost orbit
✓

Answer

Correct option: B.
$d-$ orbital is complete
b
(b) $d-$ orbital is complete; $Zn - 3{d^{10}}4{s^2}$

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