A very pure form of carbon monoxide can be obtained from:

sodium hexacyanoferrate

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sodium oxalate

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formic acid

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nickel tetracarbonyl

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Solution

The correct option is D nickel tetracarbonyl
Nickel carbonyl (IUPAC name: tetracarbonylnickel) is the organonickel compound with the formula $N i (C O)_{4}$ . This pale-yellow liquid is the principal carbonyl of nickel. It is an intermediate in the Mond process for the purification of nickel and a reagent in organometallic chemistry. Nickel carbonyl is one of the most toxic substances encountered in industrial processes.
As it an intermediate in the Mond process we can obtain pure form of carbon monoxide as nickle gets completely refined then it will be remained with pure form of carbon monoxide.
Hence option D is correct answer.

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How can you obtain hydrogen from a mixture of hydrogen and carbon monoxide.

N_{2}

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(a) ___ product when carbon is burnt in a limited supply of air or oxygen.

(b) Carbon monoxide burns in air with a ___ flame to form carbon dioxide.

(d) A mixture of 95 $%$ oxygen and 5 $%$ carbon dioxide is called ___

(e) Carbon monoxide is used as a ___ in the extraction of pure metals from their corresponding ores.

10 m^{3}

20

m^{3}

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4.754

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