Chromium(III) telluride, with the chemical formula Cr2Te3, is an inorganic compound containing chromium in its +3 oxidation state and tellurium. It is a binary compound of chromium and tellurium and is part of the family of transition metal chalcogenides. Preparation of Chromium(III) Telluride: Chromium(III) telluride can be synthesized by reacting chromium and tellurium at elevated…

Chromium(III) sulfate, with the chemical formula Cr2(SO4)3, is an inorganic compound containing chromium in its +3 oxidation state. It is a dark green crystalline solid and is one of the common chromium salts. Preparation of Chromium(III) Sulfate: Chromium(III) sulfate can be prepared by the reaction of chromium(III) hydroxide (Cr(OH)3) or chromium(III) oxide (Cr2O3) with sulfuric…

Chromium(III) oxide, with the chemical formula Cr2O3, is an inorganic compound containing chromium in its +3 oxidation state. It is a dark green, almost black, crystalline solid and is one of the main oxides of chromium. Chromium(III) oxide is also known as chromia or green chromium oxide. Preparation of Chromium(III) Oxide: Chromium(III) oxide can be…

Chromium(III) nitrate, with the chemical formula Cr(NO3)3, is an inorganic compound containing chromium in its +3 oxidation state. It is a dark violet or purple crystalline solid and is a common chromium salt. Preparation of Chromium(III) Nitrate: Chromium(III) nitrate can be prepared by dissolving chromium(III) oxide (Cr2O3) in nitric acid (HNO3): Cr2O3 + 6 HNO3…

Chromium(III) chloride, with the chemical formula CrCl3, is an inorganic compound containing chromium in its +3 oxidation state. It is one of the most common and stable chromium chloride compounds. Chromium(III) chloride exists in several forms, including anhydrous CrCl3, as well as various hydrates. Preparation of Chromium(III) Chloride: Chromium(III) chloride can be prepared through several…

Chromium(II) sulfate, with the chemical formula CrSO4, is an inorganic compound containing chromium in its +2 oxidation state. It is a pale blue or blue-green solid and is relatively unstable in the presence of air and moisture, as it can readily oxidize to chromium(III) compounds. Preparation of Chromium(II) Sulfate: Chromium(II) sulfate can be prepared by…

Chromium(II) chloride, with the chemical formula CrCl2, is an inorganic compound containing chromium in its +2 oxidation state. It is a grayish-green solid and is one of the simpler chromium chloride compounds. However, chromium(II) compounds are not as common as those with higher oxidation states, such as chromium(III) and chromium(VI). Preparation of Chromium(II) Chloride: Chromium(II)…

Chromium trioxide, with the chemical formula CrO3, is an inorganic compound containing chromium in its +6 oxidation state. It is a highly oxidizing and hygroscopic substance that appears as a dark red-orange crystalline solid at room temperature. Preparation of Chromium Trioxide: Chromium trioxide is commonly prepared by the reaction of sodium dichromate (Na2Cr2O7) or potassium…

Chromium pentafluoride, with the chemical formula CrF5, is an inorganic compound composed of one chromium atom and five fluorine atoms. It is a coordination compound and is classified as a fluoride of chromium in its +5 oxidation state. Properties of Chromium Pentafluoride: Appearance: Chromium pentafluoride is a greenish-yellow crystalline solid at room temperature. Stability: It…

Chromic acid, with the chemical formula H2CrO4, is an inorganic compound that contains chromium in its +6 oxidation state. It is a strong oxidizing agent and a corrosive, reddish-brown, or dark red solution in water. Chromic acid is a powerful reagent used in various industrial and laboratory applications. Preparation of Chromic Acid: Chromic acid can…