JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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CO on passing over heated nickel gives:

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Correct option: B

\mathrm{Ni}{\left( {\mathrm{CO}} \right)_4}

Option B (

\mathrm{Ni}{\left( {\mathrm{CO}} \right)_4}

) is correct because nickel reacts with carbon monoxide at around 330 K to form nickel carbonyl, which is a volatile compound.

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