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What would you see if excess cobalt oxide is warmed with hydrochloric acid?
When excess cobalt oxide is warmed with hydrochloric acid, the cobalt oxide will react with the acid to form cobalt chloride, water, and chlorine gas. The resulting solution may be pink due to the presence of cobalt ions, which are often a characteristic color of cobalt compounds.
What is the chemical name of cobalt oxide using the stock system?
Cobalt oxides are: cobalt(I) oxide, cobalt(II) oxide and cobalt(II,III) oxide.
What is the name of the ionic compound Co2O?
The ionic compound Co2O is called cobalt(II) oxide.
When calcium oxide is reacted with chlorine what is formed?
When calcium oxide is reacted with chlorine, calcium chloride is formed along with oxygen gas. The balanced chemical equation for the reaction is: CaO + Cl2 → CaCl2 + O2.
How reactive is cobalt?
Cobalt is a moderately reactive metal, exhibiting reactivity towards oxygen in the air to form a thin layer of cobalt oxide on its surface. This oxide layer acts as a protective barrier against further oxidation. Cobalt also reacts with acids to form cobalt salts, such as cobalt chloride or cobalt sulfate. Overall, cobalt's reactivity is lower compared to highly reactive metals like sodium or potassium.
What compounds are in cobalt?
There are no compounds in Cobalt. It is completely impossible, because Cobalt is an element, and compounds are made up of elements. If this is what you meant to ask, then there a a lot of compounds with Cobalt in them. One example is Cobalt (III) Fluoride, chemical formula CoF3. Any compound with a "Co" (the "C" must be capitalized and the "o" must lowercase) in it contains Cobalt.
What is the compound made from lithium chlorid and oxygen a?
The compound formed from lithium chloride and oxygen is lithium chloride oxide (LiClO).
What is chemical formula for cobalt oxide?
The chemical formula for cobalt oxide can vary depending on the oxidation state of cobalt. Two common forms are cobalt(II) oxide, which has the formula CoO, and cobalt(III) oxide, which has the formula Co2O3.
Cobalt II Oxide formula?
The formula for cobalt II oxide is CoO. It contains one cobalt ion with a +2 charge and one oxide ion with a -2 charge, resulting in a neutral compound.
Will calcium chloride give calcium oxide when heated?
No, calcium chloride will not give calcium oxide when heated. Calcium chloride is a salt compound, while calcium oxide is a different compound formed by heating calcium carbonate. Heating calcium chloride will decompose it into calcium chloride and release chlorine gas.
What is the Cobalt oxidation number?
The common oxidation number for cobalt is +2, found in compounds like cobalt(II) chloride. Cobalt can also exhibit other oxidation states, such as +3 in compounds like cobalt(III) oxide and +4 in compounds like cobalt(IV) fluoride.
What is the formula for cobalt oxide?
The molecular formula is CoO Cation is Co^2+^Anion is O^2-^or in other wordscobalt(II) oxide = CoO = Co2+ + O2-
