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Molar mass: 94.196 g·mol −1 Appearance Pale yellow solid Odor: Odorless ... Potassium oxide (K 2 O) is an ionic compound of potassium and oxygen. It is a base ...
Potassium superoxide is a source of superoxide, which is an oxidant and a nucleophile, depending on its reaction partner. [8] Upon contact with water, it undergoes disproportionation to potassium hydroxide, oxygen, and hydrogen peroxide: 4 KO 2 + 2 H 2 O → 4 KOH + 3 O 2 2 KO 2 + 2 H 2 O → 2 KOH + H 2 O 2 + O 2 [9] It reacts with carbon ...
Molar heat capacity: 29.6 J/(mol·K) ... potassium oxide (K 2 O), potassium peroxide (K 2 O 2), ... Potassium is the eighth or ninth most common element by mass ...
Potassium tert-butoxide (or potassium t-butoxide) is a chemical compound with the formula [(CH 3) 3 COK] n (abbr. KOtBu). This colourless solid is a strong base (pKa of conjugate acid around 17), which is useful in organic synthesis. The compound is often depicted as a salt, and it often behaves as such, but its ionization depends on the solvent.
Potassium peroxide is an inorganic compound with the molecular formula K 2 O 2. It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K 2 O) and potassium superoxide (KO 2). Crystal structure. Potassium peroxide reacts with water to form potassium hydroxide and oxygen: 2 K 2 O 2 + 2 H 2 O → 4 KOH + O 2 ↑
Molar mass: 158.032 g·mol −1 ... Potassium permanganate is an inorganic compound with the ... to carbon dioxide (CO 2), manganese oxide (MnO 2) and potassium ...
Potassium permanganate will decompose into potassium manganate, manganese dioxide and oxygen gas: 2 KMnO 4 → K 2 MnO 4 + MnO 2 + O 2. This reaction is a laboratory method to prepare oxygen, but produces samples of potassium manganate contaminated with MnO 2. The former is soluble and the latter is not.
An aqueous solution of potassium ferrate(VI). Potassium ferrate is a dark purple crystalline solid that dissolves in water to form a reddish-purple solution. The salt is paramagnetic and is isostructural with K 2 MnO 4, K 2 SO 4, and K 2 CrO 4. The solid consists of K + and the tetrahedral FeO 2− 4 anion, with Fe-O distances of 1.66 Å. [7]