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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
Which statement is true about the transitional elements
  • A
    They are highly reactive
  • ✓
    They show variable oxidation states
  • C
    They have low M.P.
  • D
    They are highly electropositive
✓

Answer

Correct option: B.
They show variable oxidation states
b
(b)They show variable oxidation state due to participation of $ns$  and $(n - 1)d$ electrons.

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