Advertisements
Advertisements
Question
Concentrated sulphuric acid on reaction with copper evolves ______.
Options
Hydrogen sulphide
Nitric acid
Carbon dioxide
Sulphur dioxide
MCQ
Fill in the Blanks
Advertisements
Solution
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
Is there an error in this question or solution?
