Only iodine forms hepta -fluoride IF_(7), but chlorine and bromine giv – InterviewSolution

1.	Only iodine forms hepta -fluoride IF_(7), but chlorine and bromine give penta -fluorides.The reason for this is
Answer» low electron affinity of iodine unsual pentagenal bipyramidal structure of `IF_(7)` that the larger iodine atom can ACCOMMODATE more number of smaller FLUORINE atom around it low CHEMICAL reactivity of `IF_(7)` ANSWER :C

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