Inter halogen compounds:
Each halogen combines with other halogens to form a series of compounds called inter halogen compounds. In the given table of inter halogen compounds a given compound A is less electronegative than B.
i. The central atom will be the larger one
ii. It can be formed only between two halogen and not more than two halogens.
iii. Fluorine can’t act as a central metal atom being the smallest one
iv. Due to high electronegativity with small size fluorine helps the central atom to attain high coordination number
v. They can undergo the auto ionization.
vi. They are strong oxidizing agents
When heated with the alkalis, larger halogen form oxyhalogens and the smaller forms halide.
The structures of different type of interhalogen compunds can be easily explained using VSEPR theory. The details are given below.
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