Question

What are interhalogen compounds? Explain with examples.

Answer 1

The halogens have electronegativity difference and to overcome this electronegativity difference these halogens combine with one another to form a compound.

Complete step by step answer:
A molecule which consists of two or more different halogen atoms as (chlorine, fluorine, bromine, iodine) and a number of atoms from any other group are called as interhalogen compounds.
Some examples of interhalogen compounds are
Bromine trifluoride $(\text{Br}{{\text{F}}_{3}})$
Iodine pentafluoride $(\text{I}{{\text{F}}_{\text{5}}})$
Iodine heptafluoride $(\text{I}{{\text{F}}_{7}})$
and from the examples as we can see these compounds have two different halogens and therefore they are said to be interhalogen compounds. The formula for interhalogen compounds is XYn where n could be n=1, 3, 5 or 7 and X is less electronegative than the other halogen present in the compound. The types of interhalogen compounds are
-XY
-XY3
-XY5
-XY7
These interhalogen compounds are prepared by direct mixing of halogens by reaction of halogens with lower interhalogen compounds.

Note:
Interhalogen compounds are compounds having two unique sorts of halogen and most of these compounds are binary composed of only two different elements and these are more reactive than halogens because the bond between two different two same halogens these interhalogen compounds are diamagnetic in nature because they have bond pairs and bone pairs.