Question

How will you distinguish between acetaldehyde and acetone by (a)Tollen's reagent

Answer 1

Acetone is smallest member of ketone family whereas acetaldehyde is smallest member of aldehyde family. Number of carbon atom in acetone is 3 whereas the number of carbon atom is 2.

Answer 2

$\huge\textcolor{green}{\texttt{Answer :-}}$

Acetaldehyde gives red percipitate(ppt) on heating with Fehling's solution whereas acetone does not.

$CH_3CHO + 2CuO(present\: in\: Fehling's\: solution) ---)$

$CH_3COOH + Cu_2O(red \:ppt)$

NOTE : This reaction takes place under the presence of heat energy.