Explain why is sodium less reactive than potassium ?

1.	Explain why is sodium less reactive than potassium ?
Answer» Solution :The IONIZATION enthalpy `(Delta_(i) H_(1))` of potassium (419 kJ `mol^(-1)`) is less than that of sodium (496 kJ `mol^(-)`) or more precisely the standard electrode potential `(E^(@))` of potassium `(-2925 V)` is more negative than that of sodium `(-2714V)` and HENCE potassium is more reactive than sodium .

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