Element $85$, astatine, belongs to Group VII. Concentrated sulfuric acid is added to sodium astatide. A mixture of products is formed, containing astatine, hydrogen astatide, hydrogen sulfide, and sodium sulfate. Which product is produced by the oxidation of one of the ions in sodium astatide?
- Aastatine
- Bhydrogen astatide
- Chydrogen sulfide
- Dsodium sulfate