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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An aqueous solution of CoCl2 on addition of excess of concentrated HCl turns blue due to formation of (a) (Co(H2O)4Cl2) (b) (Co(H2O)2Cl4) 2-

An aqueous solution of CoCl2 on addition of excess of concentrated HCl turns blue due to formation of (a) (Co(H2O)4Cl2) (b) (Co(H2O)2Cl4) 2-

An aqueous solution of CoCl2 on addition of excess of concentrated HCl turns blue due to formation of (a) (Co(H2O)4Cl2) (b) (Co(H2O)2Cl4) 2-