Brain Nurtures If A, B, C, D, E, F, G, H, I, J and K represent metals in the decreasing order of their reactivity, which one of them is most likely to occur in a free state in nature?
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Solution
In a reactivity series, the metal on the top is the most reactive while the metal at the bottom is least reactive. thus, K which is least reactive is most likely to occur in a free state in nature.