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

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Which one of the following metals forms interstitial hydride easily ?
  • A
    $Fe$
  • B
    $\mathrm{Mn}$
  • ✓
    $\mathrm{Cr}$
  • D
    $Co$
✓

Answer

Correct option: C.
$\mathrm{Cr}$
c
Elements of group $7,8,9$ do not form hydrides thus $\mathrm{Cr}$ will only form hydride among the given elements $(Fe, \mathrm{Mn}, \mathrm{Co})$

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