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Explain stock notation theory with example. |
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Answer» Solution :The oxidation number/state of a metal in a COMPOUND is sometime presented according to the NOTATION given by GERMAN chemist, Altered Stock known as stock notation. Oxidation number is expressed by putting a Roman numeral. Oxidation number in parenthesis after the symbol of the metal in the molecular formula. These THEORY is useful for the metal oxides. `Cu_(2)Oto` Copper (I) Oxide CuO `to` Copper (II) Oxide FeO `to` Iron (II) Oxide `Fe_(2)O_(3)to` Iron (III) Oxide `Na_(2)CrO_(4)to` Sodium cromate (VI) `K_(2)Cr_(2)O_(7)to` Potassium dichromate (VI) `V_(2)O_(5)to` Vanadium (V) Oxide `Cr_(2)O_(3)to` Cromium (III) Oxide `FeSO_(4)to` Iron (II) Sulphate potassium `KMnO_(4)to` Potassium Permanganate (VII) `Mn_(2)O_(7)to` MANGANESE (VII) Oxide |
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