1.

What is formed when oxalic acid is dehydrated by conc. H_(2)SO_(4) ?

Answer»

`C + CO_(2)`
`CO`
`CO_(2)`
`CO + CO_(2)`

Solution :`{:(COOH OVERSET("CONC."H_(2)SO_(4))rarr CO_(2) + CO + H_(2)O),(|),(COOH):}`


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