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Which one of the following statement is incorrect ?

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Hydrogen shows +1 state with non metals

Hydrogen shows -1 state with metals

Hydrogen shows -1 state in hydrogen peroxide

Hydrogen can show an oxidation number of - 1 and + 1

answer is D.

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Detailed Solution

Hydrogen can have oxidation number + 1 (general) and - 1 (with metals).

In hydrogen peroxide, ox.state of hydrogen is +1 and oxygen is -1.

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