A student took a small amount of copper oxide in a conical flask
Acids, Bases and Salts (10)A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in colour of the solution.
- Write the name of the compound formed and its colour.
- Write a balanced chemical equation for the reaction involved.
Answer
i. Copper (II) chloride / Copper chloride / Cupric chloride / CuCl2
Colour: blue-green.
ii. CuO + 2HCl → CuCl2 + H2O
Exam Year:
2023
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