Sulphuric acid is considered as the king of chemicals: The prosperity of any country is measured by the amount of sulphuric acid it consumes. Sulphuric acid is, thus, a substance of very great commercial importance as it is used practically in every important industry. This is due to the following properties of sulphuric acid: a) acidic nature b)oxidising nature c) dehydrating nature - d) sulphonation
Which of the following reactions depict the oxidising behaviour of `H_2 SO_4`?

Options

A. `2HI +H_2 SO_4 to I_2 + SO_2 + 2H_2O`
B. ` NaCl + H_2 SO_4 to NaHSO_4 +HCl`
C. `2Na OH + H_2 SO_4 to Na_2 SO_4 + 2H_2 O`
D. ` 2 PCl_5 + H_2 SO_4 to 2 POCl_3 + 2HCl + SO_2 Cl_2`

Answer

A

Explanation

`2HI +H_2 SO_4 to I_2 + SO_2 + 2H_2O`