Question

What are interfering radicals ?

Answer 1

Interfering radicals are tartrate, fluoride, borate, phosphate, oxalate, they are also known as anionic radicals. They are usually used to form a complex with 3rd gr group which later leads to incomplete precipitation of 3rd group and results in immature precipitation of 5th group.

Answer 2

Interfering radicals are anionic radicals like oxalate, tartarate, fluoride, borate and phosphate. They form complex compounds with third group reagents like ammonium chloride and ammonium hydroxide.