Identification OF Functional Groups || Homocyclic and Heterocyclic Compound || Homologous Series

Heterocyclic compound is

Functional Group || Homologous series ||Ethanol

1)functional groups:identification OF functional groups,2)classification OF functional groups,3) homologous series,4) homogenous and heterogenous compounds

Identification OF anions||Weak group||Strong group

The saturated heterocyclic compound is:

define 1 functional group 2. Homologous series

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