The elements in Group VII A of the periodic table are known as halogens. This group includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). They are highly reactive nonmetals and are characterized by having seven valence electrons. Thus, the family name of VII A group elements is halogens.
The correct option is (D) : Halogens

The correct sequence of reagents for the above conversion of X to Y is :
Match List-I with List-II 
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