If pink cobalt(II) chloride is heated, it changes into a blue solid and water is produced. If water is then added to the blue solid, heat is given out and a pink solid is formed. Which row states the reaction type and the pink cobalt(II) chloride?
- Atype of reaction: non-reversible; pink cobalt(II) chloride: anhydrous
- Btype of reaction: non-reversible; pink cobalt(II) chloride: hydrated
- Ctype of reaction: reversible; pink cobalt(II) chloride: anhydrous
- Dtype of reaction: reversible; pink cobalt(II) chloride: hydrated