Which of the following hydride is deficient in hydrogen?

Which of the following hydride is deficient in hydrogen?
  1. LiH
  2. KH
  3. NiH
  4. NaH

Solution

NiH hydride is deficient in hydrogen. These hydrides do not have a sufficient number of electrons to form normal covalent bonds.

Asked in: MHT CET 2020 (15 Oct Shift 1)

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