MCQ
Copper sulphate dissolves in ammonia due to the formation of:
- ACu2O
- B[Cu(NH3)4]SO4
- C[Cu(NH3)4]OH
- D[Cu(H2O)4]SO4
✓
Answer
- [Cu(NH3)4]SO4
Explanation:
Copper sulphate dissolves in ammonia due to the formation of [Cu(NH3)4]SO4.
CuSO4 + 4NH3 → [Cu(NH3)4]SO4
[Cu(NH3)4]SO4 contains complex cation [Cu(NH3)4]2+.
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