- Reactivity of metals is related to their tendency to lose electrons (become oxidized). - Alkali metals (Group 1) are generally more reactive than alkaline earth metals (Group 2). - Within alkali metals, reactivity increases down the group. - Within alkaline earth metals, reactivity generally increases down the group (though sometimes variations occur, but the general trend holds for Ca vs Mg). - The order of reactivity for the given options is approximately K > Na > Ca > Mg.
Which one among the following is the most reactive metal?
Asked in UPSC CISF AC EXE 2023 · Topic: Metals, Minerals, Ores: Properties, Uses (Reactivity series of metals and its applications)
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