Question

Why colour disappars in formol titration when formal dehyde is added to ammonium salts?

Answer 1

Answer:

Explanation:

PRINCIPLE OF FORMOL • the protein solution is neutralized with a base of sodium hydroxide (NaOH). then added formaldehyde to form dimethylol • with the formation of dimethillol the protein amino protein group is bonded and does not affect the reaction between the acid (carboxyl group) with the NaOH base so that the end of the titration