All group I metals react with H2O to a form a metal hydroxide and hydrogen gas. Which of these will react the fastest? A) Li B) Na C) K D) Cs

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Respuesta :

Cesium is the most reactive

What group 1 metal reacts the fastest with H2O to form a metal hydroxide and hydrogen gas? Group 1 elements are lithium, sodium, potassium, rubidium and cesium ( or caesium ). The further down the table, the more reactive they are towards water.