- Group 2 metals react with dilute acids to form a salt and hydrogen.
- The reaction becomes more violent down the group as the reactivity of the metals increases.
e.g Sr (s) + 2HCl (aq) --> SrCl2 (aq) + H2 (g)
The metal (Sr) loses electrons and is oxidised
H gains electrons and is reduced
Sr is the reducing agent
HCl is the oxidising agent
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