Which one of the following metals

Question:

Which one of the following metals forms interstitial hydride easily ?

  1. Cr

  2. Fe

  3. Mn

  4. Co


Correct Option: 1

Solution:

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

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