Question

Identify the correct product formed after treatment of bismuth salt with H2S​

Answer 1

Answer:

Explanation:

Synthesis. Bismuth(III) sulfide can be prepared by reacting a bismuth(III) salt with hydrogen sulfide: 2Bi3+ +3H2S → Bi2S3 + 6H. Bismuth (III) sulfide can also be prepared by the reaction of elemental bismuth and elemental sulfur in an evacuated silica tube at 500 °C for 96 hours.

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Answer 2

Background & aims: Hydrogen sulfide is one of the main malodorous compounds in human flatus. This toxic gas also has been implicated in the pathogenesis of ulcerative colitis. Therefore, a treatment that reduces colonic H2S levels could be clinically useful in the treatment of flatus odor and of ulcerative colitis. In this study the ability of bismuth subsalicylate, a compound that binds H2S, to reduce H2S release in the colon, was tested.