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A certain sample of cuprous sulphide …

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A certain sample of cuprous sulphide is found to have a composition of Cu1.92 S because of incorporation of Cu2+ in the lattice. What is the ratio of Cu2+ to Cu+?

    • Posted by Akansha Dogra 5 years, 6 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Vipul Raj 5 years, 6 months ago

    Out of 200 Cu ions we have 192 therefore additional negative charge would be 8 × (-2)=-16 Therefore 16 Cu+ ions will change into Cu+2 ions to neutralise the crystal Therefor Cu+2/Cu+=16/(192-16)=16/176=0.09 (answer)

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