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ZnO + C gives Zn ( impure spelter)+ CO
Zinc oxide(Zincite is reduced by carbon which takes away Oxide from to give impure Spelter(Zn) and CO.
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How is oxygen removed from zinc oxide?
1. Heating zinc oxide at approx. 2 000 0C this compound is thermally decomposed in oxygen and zinc. 2. Zinc oxide can be reduced with carbon to obtain zinc and oxygen: ZnO + C = Zn + CO
Why does zinc plus copper oxide equal copper plus zinc oxide?
Because the zinc is "oxydised" and the copper is "reduced"
Write a word equation and a balanced equation for the reduction of zinc oxide?
If the reduction involves carbon getting oxidized, it would be... Zinc oxide + carbon -----------> Zinc + carbon monoxide that's ZnO + C ----------> Zn + CO or if the reduction involves carbon monoxide getting oxidized, it would be... Zinc oxide + carbon monoxide -----------------> Zinc + carbon dioxide that's ZnO + CO ----------> Zn + CO2
What is the balanced reaction for the decomposition of zinc oxalate dihydrate to zinc oxide water and carbon dioxide?
The balanced reaction for the decomposition of zinc oxalate dihydrate to zinc oxide water and carbon dioxide is ZnCO3 --------> ZnO + CO2.
What happens when you mix iron and Zinc Oxide and heat it?
a redox reaction takes place ( one gains oxygen and the other looses oxygen) the zinc (oxide) is displaced and the iron becomes iron oxide and zinc oxide becomes zinc
How is oxygen removed from zinc oxide?
1. Heating zinc oxide at approx. 2 000 0C this compound is thermally decomposed in oxygen and zinc. 2. Zinc oxide can be reduced with carbon to obtain zinc and oxygen: ZnO + C = Zn + CO
Why does zinc plus copper oxide equal copper plus zinc oxide?
Because the zinc is "oxydised" and the copper is "reduced"
What type of reaction is this 2ZnO plus C gives 2Zn plus CO2?
This is an oxidation-reduction reaction. The carbon reduces the zinc oxide to zinc and the zinc oxide oxidises the carbon to carbon dioxide. It can also be called a displacement reaction, as the carbon displaces the zinc from its oxide.
Why is zinc not extracted from zinc oxide through reduction using carbon monoxide?
Magnesium is a more reactive metal therefore for using any extraction method you would have to use electrolysis, which is expensive. Whereas for zinc it is extracted from its ore chemically by reduction using carbon. When an ore is reduced you are taking the oxygen out of the metal, this is because carbon can only take the oxygen away from metals which are less reactive than carbon its self. For example, zinc oxide is reduced in a blast furnace to make zinc.
The oxide formed when zinc reacts with oxaygen?
ZnO, zinc oxyde
Write a word equation and a balanced equation for the reduction of zinc oxide?
If the reduction involves carbon getting oxidized, it would be... Zinc oxide + carbon -----------> Zinc + carbon monoxide that's ZnO + C ----------> Zn + CO or if the reduction involves carbon monoxide getting oxidized, it would be... Zinc oxide + carbon monoxide -----------------> Zinc + carbon dioxide that's ZnO + CO ----------> Zn + CO2
What is the balanced reaction for the decomposition of zinc oxalate dihydrate to zinc oxide water and carbon dioxide?
The balanced reaction for the decomposition of zinc oxalate dihydrate to zinc oxide water and carbon dioxide is ZnCO3 --------> ZnO + CO2.
How is sphalerite formed?
Sphalerite is sulphide ore, it is concentrated by froth flotation and then subjected to roasting to convert the sulphide ore to oxide ore. The oxide ore is reduced to zinc using carbon monoxide or coke.
How can obtain zinc from zinc oxide?
According to the Wikipedia article on Zinc Oxide, ZnO decomposes into zinc vapor and oxygen only at around 1975 °C, reflecting its considerable stability. Heating with carbon converts the oxide into the metal, which is more volatile than the oxide, and also produces carbon monoxide. ZnO + C ---> Zn + CO
What happens when you mix iron and Zinc Oxide and heat it?
a redox reaction takes place ( one gains oxygen and the other looses oxygen) the zinc (oxide) is displaced and the iron becomes iron oxide and zinc oxide becomes zinc
How would you extract zinc?
As with many metals, pure zinc can be prepared from an ore by one of two methods. First, the ore can be roasted (heated in air). Roasting converts the ore to a compound of zinc and oxygen, zinc oxide (ZnO). The compound can then be heated with charcoal (pure carbon ). The carbon takes the oxygen away from the zinc, leaving the pure metalThe other method is to pass an electric current through a compound of zinc. The electric current causes the compound to break apart. Pure zinc metal is produced.
What are reagents which could reduce zinc oxide?
Carbon is one!
