when copper is heated with oxygen which of the following is correct about the product the product formed is so it is black in colour the reaction is oxidation all of these and its reason
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Correct option with respect to oxidation of copper is - the product formed is black in colour.
Copper is an element which is reacted with molecular oxygen gas in the mentioned question.
The reaction taking place is redox reaction, where oxidation and reduction, both take place.
The product formed is copper oxide which is black in color. The reaction is shown below -
2Cu + O2 --> 2CuO
Reaction is redox reaction, because oxidation of copper occurs and reduction of oxygen takes place.
The reaction can be reversed and copper can be obtained by passing hydrogen gas over the product.
Color change is observed as characteristic confirmation reaction.
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Answer:
Explanation:
The product formed is CuO
It is black in colour
The reaction is oxidation
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