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Q.

Gold can exhibit the oxidation states

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a

 + I and + II 

b

+ II and + IV

c

+ II and + III

d

+ I and + III

answer is C.

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Detailed Solution


79Au [54Xe]6s14f145d10

Gold exhibits +1 and +3 oxidation states

The +1 oxidation state written as gold (I) is called as Aurous in compounds, while +3 state written as (III) is called Auric in compounds

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