Write the reaction equation: K → K2O → KOH → K2CO3

univerkov | September 19, 2021 | education

Potassium is oxidized by atmospheric oxygen under normal conditions. to oxide:

4 K + O2 = 2 K2O

Potassium oxide reacts with water to form an alkali – potassium hydroxide:

K2O + H2O = 2 KOH

Carbonic acid reacts with potassium hydroxide to form potassium carbonate and water (neutralization reaction):

2 KOH + H2CO3 = K2CO3 + 2 H2O

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