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Question

Dihydrogen (H2) on reaction with metal ions and metal oxides:

A
Gets oxidised
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B
Gets reduced
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C
Does not react
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D
Can get oxidised or reduced
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Solution

The correct option is A Gets oxidised
Dihydrogen (H2) on reaction with metal ions and metal oxides:
H2 (g)+Pd2+ (aq) Pd (s)+2H+ (aq)

yH2+MxOy (s) xM (s)+yH2O (l)

Hydrogen gets oxidised from 0 to +1 oxidation state.

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