Question

Formaldehyde can be distinguished from acetaldehyde by the use of :

• A. Schiff s reagent
• B. Tollen?s reagent
• C. $I_2$/Alkali
• D. Fehling?s solution

Answer 1

Answer: (C)

$I_2$/Alkali

Answer 2

Only acetaldehyde and methyl ketones give iodoform test.