List the following metals Co, Ni, K, Pt, Ba, and Hg, in order of increasing activity (least active to most active)

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Chemistry

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10 April, 20:32

List the following metals Co, Ni, K, Pt, Ba, and Hg, in order of increasing activity (least active to most active)

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Randy Benitez · Answer 1

The least active metal is K + because it reacts with water. Ba also is less active for the same scientific reason. Co is reactive with acids, making them more active than K + and Ba. Ni is more active than Co when reacting to acids. Hg is highly reactive. However, Pt is the most active.