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CGP EDU Academic Team
Published on: August 13, 2026
Among the alkali metals cesium is the most reactive because
Text Solution
Verified by ExpertsThe correct answer is:
D
: Alkali metals are highly reactive since they have a strong tendency to lose the single valence 
-electron to form unipositive ions having inert gas configuration. In case of cesium, the distance of the valence electron is maximum (among the alkali metals) so force of attraction by the nucleus is least, hence it is most reactive.
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