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
Related Questions
- Sodium hydroxide is termed an alkali while Ferric hydroxide
- A student takes about 4 mL of distilled water in four test tubes marked P, Q, R and S
- Acid present in tomato is
- What is observed when a pinch of sodium hydrogen carbonate is added to 2 mL of acetic acid
- Dry HCl gas does not change the colour of dry blue litmus paper
- The acid produced in our stomach during digestion of food