Advertisements
Advertisements
प्रश्न
Concentrated sulphuric acid on reaction with copper evolves ______.
विकल्प
Hydrogen sulphide
Nitric acid
Carbon dioxide
Sulphur dioxide
MCQ
रिक्त स्थान भरें
Advertisements
उत्तर
Concentrated sulphuric acid on reaction with copper evolves sulphur dioxide.
Explanation:
Hot, concentrated sulphuric acid acts as an oxidising agent when reacting with copper metal, evolving pungent sulphur dioxide (SO2) gas:
\[\ce{Cu + 2H2O -> CuSO4 + 2H2O + SO2 ^}\]
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
