A) \[ICl\]
B) \[I{{F}_{5}}\]
C) \[Br{{F}_{5}}\]
D) \[BrC{{l}_{7}}\]
Correct Answer: D
Solution :
Key Idea: Compounds formed by reaction of halogens among themselves are called interhalogens. The difference in electro negativities among halogens should be high for formation of interhalogen compounds. \[\therefore \]\[\text{BrC}{{\text{l}}_{\text{7}}}\] is not formed because difference in electronegativities of Br and Cl is not so high so as to oxidise Br to +7 state.
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