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Question

The oxidation number of hydrogen is +1 except in_______.


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Solution

Oxidation number

  • Oxidation number denotes the oxidation state of an element in a compound ascertained according to a set of rules formulated on the basis that electron pair in a covalent bond belongs entirely to a more electronegative element.

The oxidation number of Hydrogen

  • The oxidation number of hydrogen is +1 except when it is bonded to metals in binary compounds (that is compounds containing two elements).
  • For example, in LiH,and NaH , its oxidation number is -1.

The oxidation number of hydrogen is +1 except in binary compounds.


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