Question

assertion most of the metals exist in solid state reason metals react with acid and liberates hydrogen gas​

Answer 1

Answer:

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Answer 2

Answer:

The arrangement of metals in decreasing order of their reactivities is called is reactivity series.

KNaCaAlZnFeSnPbHCuHgAg

⟶

Decreasing order of reactivity.

More active (reactive) metals than a particular metal can displace that metal.

Just like that, more reactive metals than H, can displace H from the acids(they have H

+

) and H

+

is reduced to H

2

.

Na+H

2

SO

4

⟶Na

2

SO

4

+H

2

Cu+H

2

SO

4

⟶Noreaction

Explanation:

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