Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent ?

Question

Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent ? (A) Barfoed's test (B) Seliwanoff's test (C) Benedict's test (D) Biuret test for peptide bond

Tardigrade Admin · Accepted Answer

In Seliwanoff's reagent, Cu is not present. In Barfoed, Biuret and in Benediet reagent Cu is present.

Q. Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent ?

Barfoed's test

Seliwanoff's test

Benedict's test

Biuret test for peptide bond

In Seliwanoff's reagent, $C u$ is not present.
In Barfoed, Biuret and in Benediet reagent $C u$ is present.