A compound is heated with zinc dust and ammonium chloride followed by addition of t Tollen's reagent. Formation of silver mirror indicates the presence of following group

A compound is heated with zinc dust and ammonium chloride followed by

1.	A compound is heated with zinc dust and ammonium chloride followed by addition of t Tollen's reagent. Formation of silver mirror indicates the presence of following group
Answer» `-CHO` `-overset(O)overset(\|\|)(C)-` `-NO_(2)` `-NH_(2)` ANSWER :C