Give two tests to distinguish between formic acid and acetic acid.

Explanation

Distinction between `CH_(3)COOH and HCOOH`
`{:("S.NO","Test",CH_(3)COOH,HCOOH),(1.,"Neutral "FeCl_(3),"Blood-red colour","No reaction"),(2.,"Tollen.s reagent","No effect","Reduced to metallic Ag"),(3.,"Fehling.s solution","No effect","Reduced to "Cu^(+)(Cu_(2)O,"red ppt").),(4.,"Heat","No effect","Gives CO (burns with blue flame) and "H_(2)O):}`