Question

Why Sulphuric Acid is used for
Purification of HCL acid and not
Nitric acid or any other acid.

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Answer 1

Answer:

Sulphuric acid is produced from sulphur. Sulphur dioxide is first obtained by the burning of the molten sulphur in presence of air. Sulphur dioxide is then converted to sulphur trioxide in presence of vanadium pentoxide catalyst. The sulphur trioxide thus obtained is absorbed in recycling concentrated sulphuric acid in an absorption tower.

Hydrochloric acid (HCl, also known as muriatic acid) is a colorless corrosive, strong mineral acid with many industrial uses among which, when it reacts with an organic base it forms a hydrochloride salt. Hydrochloric acid was historically produced from rock salt and green vitriol and later from the chemically similar common salt (NaCl) and sulfuric acid:

Answer 2

Answer:

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