Question

why cannot hydrogen be displayed bye some metal explain with example?​

Answer 1

Answer:

Metals usually act as reducing agents in most reactions. ... The essence of this order illustrates that metals that are above H in the series are more reactive that it and can expel it from acids, while the metals that are below H can't react with acids and replace hydrogen.

Explanation:

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Answer 2

Explanation:

Metals usually act as reducing agents in most reactions. ... The essence of this order illustrates that metals that are above H in the series are more reactive that it and can expel it from acids, while the metals that are below H can't react with acids and replace hydrogen.