A solution containing `2.675g` of `CoCI_(3).6NH_(3)` was passed through a cation exchanger The solution obtained gave `4.305` g of `AgCI` precipitate with `AgNO_(3)` solution Determine the formula of the complex
`(Mw of CoCI_(3).6NH_(3)=267.5)` .

A solution containing 2.665 g of Cr Cl_(3).6H_(2)O is passed through a cation exchanger. The chloride ions obtained in solution react with AgNO_(3) and give 2.87 g of AgCI. Determine the structure of the compound.

A solution contains 2.675 g of CoCl_3. 6NH_3 ( molar mass =267.5 g mol^(-1) ) is passed through a cation exchanger . The chloride ions obtained in solution were treated with excess of AgNO_3 to give 4.78 g of AgCl. The formula of the complex is_________.

A solution containing 1.332 g of CrCl_(3).6H_(2)O is passed through a cation exchange. The chloride ions in solution was precipitated with excess AgNO_(3) to give 1.43 g of residue. How many water molecules are in the coordination sphere ?

A solution containing 0.319 g of complex CrCl_(3).6H_(2)O was passed through cation exchanger and the solution given out was neutralised by 28.5 ml of 0.125 m NaOH. The correct formula of the complex will be: [ molecular weight of complex =266.5]