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 used practically ine every important industry. This is due to the following properties of sulphuric acid :
(a) acidic nature
(b) oxidising nature
(c) dehydrating nature
(d) sulphonation.
Concentrated `H_2 SO_4` cannot be used to prepare `HBr` or `HI` from `KBr` or `KI` because it.
A. Reacts two slowly with KBr or KI
B. Reduces HBr or HI
C. oxidises HBr or HI
D. Oxidises KBr to `KBrO_(3)` or KI to `KIO_(3)`5
