Question

Name one compound in which hydrogen exist in -1 oxidation state

Answer 1

Answer:

It is protium H-1

Explanation:

It is isotope of hydrogen

Answer 2

Answer :

Simply,

When hydrogen is bonded to Metals, it will have oxidation number of -1 .

Example :

Li ---- H

In the above example the oxidation number of Lithium is +1 and the oxidation number of hydrogen is -1 .

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