Search results
Results from the WOW.Com Content Network
This method is sometimes employed in the production of manganese dioxide, which is used in dry-cell batteries and for ferrites. [3] Manganese carbonate is widely used as an additive to plant fertilizers to cure manganese deficient crops. It is also used in health foods, in ceramics as a glaze colorant and flux, and in concrete stains. [5]
A particularly common oxidation state for manganese in aqueous solution is +2, which has a pale pink color. Many manganese(II) compounds are known, such as the aquo complexes derived from manganese(II) sulfate (MnSO 4) and manganese(II) chloride (MnCl 2). This oxidation state is also seen in the mineral rhodochrosite (manganese(II) carbonate ...
Manganese(II) acetate are chemical compounds with the formula Mn(CH 3 CO 2) 2 ·(H 2 O)n where n = 0, 2, 4. These materials are white or pale pink solids. These materials are white or pale pink solids.
Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO 3. In its pure form (rare), it is typically a rose-red colour, [5] but it can also be shades of pink to pale brown. It streaks white, [6] and its Mohs hardness varies between 3.5 and 4.5. Its specific gravity is between 3.45 and 3.6. [7]
Manganocalcite. Manganoan calcite or manganocalcite is a variety of calcite rich in manganese, which gives the mineral a pink color. [1] Its chemical formula is (Ca,Mn)CO 3.It was first reported from the Banská Štiavnica Mining District, Slovak Republic, [1] but is widely distributed around the world, notably in the Cave of Swords at Naica, Chihuahua, Mexico as well as in Bulgaria.
The anhydrous form is predicted to be isostructural with cobalt(II) perchlorate, based on the IR spectrum and the Raman spectrum of the compound. [3] The hexahydrate consists of discreet [Mn(H 2 O) 6] 2+ octahedrons and perchlorate anions with lattice constants a = 7.85 Å, b = 13.60 Å and c = 5.30 Å. The hexahydrate undergoes phase ...
The fate of 2 is primarily determined by reaction conditions—in the presence of copper(II) acetate, this intermediate undergoes further oxidation to a carbocation and may eliminate to form β,γ-unsaturated ketone 4. Manganese acetate itself can effect the second oxidation of resonance-stabilized adduct radicals to carbocations 5; [5 ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more