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Reaction of Metals with Acid

In adding dil...

Question

In adding dilute HCl to copper oxide powder, the solution formed is blue-green. Write the balanced equation of the reaction taking place.

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Solution

$C u O c o p p e r o x i d e + 2 H C l \to C u C l_{2} c o p p e r c h l o r i d e + H_{2} O$
When $H C l$ is added to copper oxide powder, the blue-green solution of copper chloride is formed.

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Q. On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
(a) Predict the new compound formed which imparts a blue-green colour to solution.
(b) Write a balanced chemical equation of the reaction which takes place.
(c) On the basis of the above reaction, what can you say about the nature of copper oxide?

In adding dilute HCl to copper oxide powder, the solution formed is blue-green. Identify the compound formed which gives blue green colour solution?

Q. On addition dilute HCl acid to copper oxide powder , the solution form is blue green .
Predict the new compound formed which imparts blue green colour of solution ? Write it's equation

Q. On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green. Write the new compound formed.

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On the basis of reaction, what should be the nature of copper oxide?

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Reaction of Metals with Acid

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