Q3 of 13 Page 158

Answer the following:

Name the metal and the acid required to prepare sulphur dioxide in the laboratory.

Copper metal (Cu) and concentrated sulphuric acid (H2SO4) are required to prepare sulphur dioxide (SO2) in the laboratory.


5g of copper pieces is taken in a flask and 10 ml sulphuric acid is added to it, the flask is heated and sulphur dioxide is formed. It is collected in a jar by upward displacement of air.


Cu + H2SO4⇒ CuSO4 + SO2 + H2O


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