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1) what is the role of …

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1) what is the role of carbon monoxide in the purification of nickel ?

    • Posted by Soumya Srivastava 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Sunaina Gupta 8 years ago

    The impure nickel reacts with carbon monoxide at 50–60 °C to form the gas nickel carbonyl, leaving the impurities as solids. Ni(s) + 4 CO(g) → Ni(CO)4(g) 3.

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