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प्रश्न
Calculate the oxidation number of Co in [Co(NH3)3(H2O)2Cl]+.
संख्यात्मक
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उत्तर
Complex ion: [Co(NH3)3(H2O)2Cl]+ → overall charge = +1
Let oxidation number of Co = x
Cl = –1, H2O = 0, or NH3 = 0
Putting the value in formula,
∴ x + 0 + 0 + (–1) = +1
x – 1 = +1
x = +1 + 1
x = +2
∴ The oxidation number of Co in [Co(NH3)3(H2O)2Cl]+ is +2.
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