Question

Explain why is sodium less reactive than potassium.
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Answer 1

Thus, the ease with which K loses an electron is higher than the ease with which Na loses an electron. Hence, sodium is less reactive than potassium. ... This also indicates lower reactivity of sodium as compared to potassium.

Answer 2

Potassium has lower ionization enthalpy (496 kJ/mol) than sodium (520 kJ /mol).Thus, the ease with which K loses an electron is higher than the ease with which Na loses an electron. Hence, sodium is less reactive than potassium. The standard reduction potential of potassium (-2.925 V) is more negative than that of sodium (-2.714 V). This also indicates lower reactivity of sodium as compared to potassium.

Explanation:

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