Chemistry: Name the Ion
Name the ion present in a salt solution that would result in the following observations.
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- It gives a light blue ppt when aq. sodium hydroxide is added.
- It produces ammonia gas when heated in the presence of aq. NaOH and aluminium metal.
- It evolves a gas that produces a white ppt when bubbled into limewater upon the addition of an acid.
- A white ppt is formed when acidified aq. barium nitrate is added to it.
- It produces a dirty-green or reddish-brown ppt when aq.ammonia is added.
- When aq. NaOH is added, a white ppt is formed. This ppt dissolves in excess aq. NaOH.
- When aq. ammonia is added, a white ppt is formed. This ppt dissolves in excess aq. ammonia.
- When aq. ammonia is added, this cation produces no ppt.
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