A complex of molecular formula C r C l 3 . 6 H 2 O has green colour 0.1 mole of the complex when treated with excess of A g N O 3 gave 28.7 g of white precipitate of AgCl (Molar mass = 143.5 g). The f

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A complex of molecular formula C r C l 3 . 6 H 2 O has green colour 0.1 mole of the complex when treated with excess of A g N O 3 gave 28.7 g of white precipitate of AgCl (Molar mass = 143.5 g). The formula of the complex would be

TestHub · Accepted Answer

C r C l 3 . 6 H 2 O 0.1 m o l + A g N O 3 e x c e s s → A g C l 28.7 g No. of moles of A g C l = 28.7 143.5 ≈ 0.2 m o l Hence it required 2 mole free Cl atom.

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