When blue-colored copper(II) nitrate (Cu(NO₃)₂) is heated, it decomposes to form black copper(II) oxide (CuO), oxygen gas (O₂), and a brown gas ‘X’.
Chemical Reaction:
2Cu(NO3)2 + Heat → 2CuO + 4NO2 + O2
Question
On heating blue colored powder of copper(II) nitrate in a boiling tube, copper oxide (black),oxygen gas and a brown gas ‘X’ is formed. Identify the brown gas ‘X’.
WhatsApp
Didn't liked the above answer ?
×
![Crop Image]()
💡 Some Related Questions
Sheena was very excited to see her Aunt after a long time. Her mother fried a lot of snacks for her Aunt. Suddenly Sheena came to know that her aunt has postponed her plan for tomorrow. Sheena’s mother got worried to know this. She thought the food will get spoiled. Sheena helped her mother to preserve the food. Answer the following questions based on above passage. (i) Why does food spoil when kept for a very long time? (ii) What method did Sheena suggest her mother to preserve the food? (iii) What values are shown by Sheena?
Open Answer »Crystals of copper sulphate are heated in a test tube for some time. (a) What is the colour of copper sulphate crystals before heating, and after heating? (b) What is the source of liquid droplets seen on the inner upper side of the test tube during the heating process? (ii) A metal ‘X’ when dipped in aqueous solution of aluminium sulphate no reaction is observed whereas when it is dipped in an aqueous solution of ferrous sulphate, the pale green solution turns colourless. Identify metal ‘X’ with reason.
Open Answer »