Which of the following metals is the most rea | vedclass

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(C) The reactivity of alkali metals increases down the group as the ionization enthalpy decreases and the tendency to lose electrons increases.Among t

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$Rb$

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(C) The reactivity of alkali metals increases down the group as the ionization enthalpy decreases and the tendency to lose electrons increases.Among the given options,$Na$,$K$,and $Rb$ are alkali metals (Group $1$),while $Mg$ is an alkaline earth metal (Group $2$).Within Group $1$,the reactivity order is $Li Therefore,$Rb$ (Rubidium) is the most reactive metal among the given choices.

Which of the following metals is the most reactive?

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