Manufacture, Properties, uses
Shaalaa.com | P Block part 37 (sulphuric acid properties and numerical)
When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved. This gas intensified when copper turnings were added to this test tube. On cooling, the gas (A) changed into a colourless solid (B).
1) Identify (A) and (B).
2) Write the structures of (A) and (B).
3) Why does gas (A) change to solid on cooling?
- P - Block Group 16 Elements - Laboratory and Industrial Preparation from Sulphites and Sulphide Ores