1.

Oxalic acid on being heated upto 90^(@)C with conc. H_(2)SO_(4) forms

Answer»

`HCOOH+CO_(2)`
`CO_(2)+H_(2)O`
`CO_(2)+CO+H_(2)O`
`HCOOH+CO`

Solution :`{:(,COOH),(,"|"),(,COOH):}+H_(2)SO_(4) overset(95^(@)C)toCO+CO_(2)+H_(2)O`


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