Which compound is formed when excess of KCN is added to aqueous solution of copper sulphate (a) Cu(CN)2 (b) K2 (Cu(CN)4) Which compound is formed when excess of KCN is added to aqueous solution of copper sulphate (a) Cu(CN)2 (b) K2 (Cu(CN)4) December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related