A very pure form of carbon monoxide can be obtained from:
A
sodium hexacyanoferrate
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B
sodium oxalate
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C
formic acid
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D
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 Ni(CO)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.