Question

Thionic acic preparation,properties and structure.

Answer 1

Explanation:

Polythionic acid is an oxoacid which has a straight chain of sulfur atoms and has the chemical formula Sn(SO3H)2.

H2S + H2SO3 → H2S2O2 + H2O

H2S2O2 + 2 H2SO3 → H2S4O6 + 2 H2O

H2S4O6 + H2SO3 → H2S3O6 + H2S2O3

properties:-

Polythionic acids with a small number of sulfur atoms in the chain (n = 3, 4, 5, 6) are the most stable. Polythionic acids are stable only in aqueous solutions, and are rapidly destroyed at higher concentrations with the release of sulfur, sulfur dioxide and - sometimes - sulfuric acid. Acid salts of polythionic acids do not exist. Polythionate ions are significantly more stable than the corresponding acids.

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Answer 2

Answer:

Polythionic acid is an oxoacid which has a straight chain of sulfur atoms and has the chemical formula Sn(SO3H)2. Polythionic acids with a small number of sulfur atoms in the chain (n = 3, 4, 5, 6) are the most stable. ... Polythionate ions are significantly more stable than the corresponding acids.