Hot conc. acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following element is oxidised by conc. into two gaseous products?
1. Cu
2. S
3. C
4. Zn
Hint: Metal does not give two types of gaseous products with H2SO4
H2SO4 is a moderately strong oxidizing agent which oxidizes both metals and non-metals as shown below
While carbon on oxidation with produces two types of oxides and