When excess of dilute NH4OH is added to an aqueous solution of copper sulphate an intense blue colour is obtained. This is due to the formation of :
(A) CuSO4
(B) Cu(OH)2
(C) [Cu(NH3)4 ]2+
(D) (NH4)2SO4
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When excess of dilute NH4OH is added to an aqueous solution of copper sulphate an intense blue colour is obtained. This is due to the formation of :
(A) CuSO4
(B) Cu(OH)2
(C) [Cu(NH3)4 ]2+
(D) (NH4)2SO4
When excess of dilute NH4OH is added to an aqueous solution of copper sulphate an intense blue colour is obtained. This is due to the formation of :
(A) CuSO4
(B) Cu(OH)2
(C) [Cu(NH3)4 ]2+
(D) (NH4)2SO4
(C) [Cu(NH3)4 ]2+