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प्रश्न
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide to give an inky blue solution. Name the cation present in solution B. What is the probable colour of solution B?
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उत्तर
The cation present in solution B is Cu2+. The probable colour of solution B is blue.
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