Продолжительность: 0:42
Опубликовано: 8 дек. 2011 г.

Potassium (lilac) burns most vigorously followed by sodium (orange-yellow) and then lithium (red), as you might expect.

Small pieces of potassium heated in air tend to just melt and turn instantly into a mixture of potassium peroxide and potassium superoxide without any flame ...

18 нояб. 2016 г. · Potassium when exposed to air will form a layer of potassium oxide on its surface and make it appear dull. 4K + O2 = 2K2O. What happens when potassium reacts with oxygen? - Quora Potassium burns in air to form potassium oxide what type of reaction ... What is the product of the reaction of potassium with oxygen? - Quora Why does potassium react violently with oxygen? - Quora Другие результаты с сайта www.quora.com

Продолжительность: 1:32
Опубликовано: 21 янв. 2016 г.

30 июн. 2023 г. · This page examines the reactions of the Group 1 elements (lithium, sodium, potassium, rubidium and cesium) with oxygen, and the simple reactions of the various ...

Продолжительность: 1:30
Опубликовано: 29 мая 2020 г.

If potassium is burned in air, the result is mainly formation of orange potassium superoxide, KO2. K(s) + O2(g) → KO2(s). Reaction of potassium with water.

28 февр. 2021 г. · The resulting surface is bright and shiny. However, this surface soon tarnishes because of reaction with oxygen and moisture from the air. If ...

Reactions of metals with oxygen in air · Many metals react with oxygen to form metal oxides. · For example: · Potassium burns with a lilac flame when heated in air ...