The oxidation number of Hydrogen is +1 except in_______


The oxidation number of Hydrogen is +1 except in hydrides like NaH,

The oxidation number is basically the count of electrons that atoms in a molecule can share, lose or gain while forming chemical bonds with other atoms of a different element.

Oxidation number of hydrogen

The electronic configuration of the hydrogen atom is

H (Z= 1) = 1s1.

  • In hydrides like NaH, H occurs in −1 state.
  • Whereas in acids as well as oxides, H occurs in +1 state.
  • The Oxidation state of Hydrogen is 1+ when in a regular compound.
  • Hydride like NaH, here the oxidation state of H is -1 as metals are more electropositive than hydrogen.

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