Question

Hot cone. H2SO4 acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following element is oxidised by cone. H2SO4 into two gaseous products? [NCERT Exemplar]
(a) Cu
(b) S
(c) C
(d) Zn

Answer 1

Answer:

Here,

☑️☑️Cu is oxidised by cone☑️☑️

Answer 2

Answer:

C

Explanation:

C+2H  

2

​  

SO  

4

​  

→CO  

2

​  

+2SO  

2

​  

+2H  

2

​  

O

Carbon (C) is the elements  oxidized by conc. H  

2

​  

SO  

4

​  

 to give  two gaseous products which are CO  

2

​  

,SO  

2

​  

.

Hence option C is correct.