A solution of concentrated aqueous ammonia is added dropwise to 1 mL of a dilute aqueous solution of — Descriptive Chemistry Chemistry Question
Question
A solution of concentrated aqueous ammonia is added dropwise to 1 mL of a dilute aqueous solution of copper(II) nitrate until a total of 1 mL of the ammonia solution has been added. What observations can be made during this process?
A.
The colorless copper(II) nitrate solution turns blue and yields a dark blue precipitate.
B.
The colorless copper(II) nitrate solution yields a white precipitate which turns dark blue upon standing.
C.✓ Correct
The light blue copper(II) nitrate solution yields a precipitate which redissolves to form a dark blue solution.
D.
The light blue copper(II) nitrate solution turns dark blue and yields a dark blue precipitate.
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