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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
Platinum, palladium, iridium etc., are called noble metals because
  • A
    Alfred Noble discovered them
  • ✓
    They are inert towards many common reagents
  • C
    They are shining lustrous and pleasing to look at
  • D
    They are found in active state
✓

Answer

Correct option: B.
They are inert towards many common reagents
b
(b)They are inert towards many common reagents.

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