When excess of dilute NH 4 OH is added to an aqueous solution of copper sulphate an…
Chemistry · JEE Main · NTA Exams — Principles Related To Practical Chemistry
When excess of dilute NH4OH is added to an aqueous solution of copper sulphate an intense blue colour is developed. This is due to the formation of :
- [Cu(NH3)6]2+
- Cu(OH)2
- [Cu(NH3)4]2+
- (NH4)2SO4
Answer
(C) [Cu(NH 3 ) 4 ] 2+
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