Chemistry 9701 · AS & A Level · Nitrogen and sulfur

Nitrogen and sulfur — practice question

Compound T appears as a white crystalline solid. If a sample of compound T is combined with aqueous sodium hydroxide and warmed, a gas is given off that turns damp red litmus paper blue. Additional testing on a solution of compound T with aqueous barium chloride gives a dense white precipitate that remains insoluble after dilute hydrochloric acid is added to the mixture. What compound is T?

  • Aammonium carbonate
  • Bammonium sulfate
  • Csodium carbonate
  • Dsodium sulfate

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