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Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.?
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Mention the reason for colour change in the following situation 1.Copp...
When copper powder is heated in presence of O2 .. it combine with O2 and give copper oxide (CuO ) of black colour
when a piece of zinc is drooped in copper sulphate solution . it displaces copper and forms zinc sulphate .
a change in colour takes place .. solution changes colourless from blue
when a piece of zinc is drooped in copper sulphate solution . it displaces copper and forms zinc sulphate .
a change in colour takes place .. solution changes colourless from blue
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Mention the reason for colour change in the following situation 1.Copp...
Colour Change in Copper Powder when Heated in the Presence of Oxygen
When copper powder is strongly heated in the presence of oxygen, it undergoes an oxidation reaction, resulting in a change in its colour. The following are the reasons for the colour change:
Colour Change in Copper Sulphate Solution when Zinc is Dropped
When a piece of zinc is dropped in copper sulphate solution, the colour of the solution changes. The following are the reasons for the colour change:
In conclusion, both the colour changes in copper powder and copper sulphate solution are due to chemical reactions. The colour change in copper powder is due to oxidation, while the colour change in copper sulphate solution is due to reduction and the formation of copper metal.
When copper powder is strongly heated in the presence of oxygen, it undergoes an oxidation reaction, resulting in a change in its colour. The following are the reasons for the colour change:
- Oxidation: Copper reacts with oxygen to form copper oxide, which is a black or brown solid. As a result, the colour of copper powder changes from its original reddish-brown to black or brown.
- Formation of Copper Oxide: When copper powder is heated in the presence of oxygen, it reacts with oxygen to form copper oxide, which is a black or brown solid. The formation of copper oxide is an exothermic reaction, and heat is released in the process.
Colour Change in Copper Sulphate Solution when Zinc is Dropped
When a piece of zinc is dropped in copper sulphate solution, the colour of the solution changes. The following are the reasons for the colour change:
- Reduction: Zinc is more reactive than copper, so when it is dropped in copper sulphate solution, it displaces copper and forms zinc sulphate. This is a reduction reaction, and the copper ions in the solution get reduced to copper metal, which has a reddish-brown colour.
- Formation of Copper Metal: When zinc is dropped in copper sulphate solution, it reacts with copper ions to form copper metal. The copper metal is seen as a reddish-brown solid at the bottom of the container, which gives the solution its characteristic colour.
In conclusion, both the colour changes in copper powder and copper sulphate solution are due to chemical reactions. The colour change in copper powder is due to oxidation, while the colour change in copper sulphate solution is due to reduction and the formation of copper metal.
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Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.?
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Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.?.
Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Mention the reason for colour change in the following situation 1.Copper powder is strongly heated in the presence of oxygen. 2.A piece of zinc is dropped in copper sulphate solution.?.
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