Addition of aqueous ammonia to a solution of Zn... - JAMB Chemistry 1991 Question
Addition of aqueous ammonia to a solution of Zn++ gives a white precipitate which dissolves in an excess of ammonia because?
A
zinc is amphoteric
B
zinc hydroxide is readily soluble
C
zinc forms a complex which is readily soluble in excess ammonia
D
ammonia solution is a strong base
correct option: c
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