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(C) Formic acid $(HCOOH)$ acts as a reducing agent because it contains an aldehydic group $(-CHO)$ in its structure. It reduces Fehling solution to gi

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Reduction of Fehling solution

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(C) Formic acid $(HCOOH)$ acts as a reducing agent because it contains an aldehydic group $(-CHO)$ in its structure. It reduces Fehling solution to give a red precipitate of cuprous oxide $(Cu_2O)$.$HCOOH + 2Cu^{2+} + 5OH^- \xrightarrow{\Delta} Cu_2O (	ext{red ppt}) + CO_3^{2-} + 3H_2O$Acetic acid $(CH_3COOH)$ does not contain an aldehydic group and therefore does not reduce Fehling solution.Both acids react with sodium,form esters with alcohols,and turn blue litmus red.

Of the following four reactions,in which respect do formic acid and acetic acid differ?

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