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At 200^@C and under high pressure, carbo...

At `200^@C` and under high pressure, carbon monoxide is passed through caustic soda solution and the product is heated to `300^@C`.

Text Solution

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When CO is passed through NaOH solution at `200^@C` under high pressure, sodium formate is produced.
`NaOH + CO toHCOONa`
When sodium formate is heated at `300^@C`, sodium oxalate and hydrogen gas are formed.
`2HCOONaoverset(Delta)to underset(COONa)overset(COONa)(|" ")("sodium oxalate")+H_2uarr`
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