A light greenish coloured salt was soluble in water. On passing H2S into the solution a black precipitate was obtained which dissolve readily in HCl. The metal ion present is (a) Co +2 A light greenish coloured salt was soluble in water. On passing H2S into the solution a black precipitate was obtained which dissolve readily in HCl. The metal ion present is (a) Co +2 December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related