Which of the following pairs of valence electrons is ordered CORRECTLY
in ranking ionization energy?
O p?
O p3
O p5
O p4
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Ответ:
The reaction type is redox reaction
Explanation:
Potassium reacts with water to form potassium hydroxide and hydrogen gas.
This is a redox type of reaction;
Potassium loses electrons during the reaction and the electrons are gained by hydrogen in water.
Since potassium reacts by losing electrons,that is an oxidation reaction.The hydrogen gains the electrons and hence a reduction reaction.
All electrons lost by potassium must equal all the electrons gain by water.Therefore the reaction type is redox reaction.
The reaction cannot be combustion.Combustion reactions only occur in presence of oxygen gas.