Cobalt(II) complex ion solution: [Co(H2O)6]*2(aq) + 4CI'(aq) [COC14] ?(aq) + 6H2O(I) Pink Blue (3) According to the first video (a) What will happen when HCl is added ? That is in which direction the equilibrium shifts and the conc of which cobalt compound increases and which one decreases ? (b) What will happen if instead of HCI , CaCl, is added ? (c) What will happen when water is added to test tube (1) ? That is in which direction the equilibrium shifts and the conc of which cobalt compound increases and which one decreases ?

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Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.