Hot concentrated sulphuric acid is a moderately strong oxidising agent. Which of the following reactions does not show oxidising behaviour?

Options

A. a) `Cu + 2H_(2)SO_(4) to CuSO_(4) + SO_(2) + 2H_(2)O`
B. b) `C + 2H_(2)SO_(4) to CO_(2) + 2SO_(2) + 2H_(2)O`
C. c) `BaCl_(2) + H_(2)SO_(4) to BaSO_(4) + 2HCl`
D. d) none of the above

Answer

C

Explanation

`overset(+2)(Ba) overset(-1)(Cl_(2)) + overset(+1+6-2)(H_(2)SO_(4)) to overset(+2 +6 -2)(BaSO_(4)) + 2overset(+1-1)(HCl)`