IBr7 cannot exist but IF7 exist ,This fact can be explained on the basis of
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The existence of IF7 and non-existence of IBr7 can be explained on the basis of electronegativity and the size of atoms. - Fluorine is the most electronegative element in the periodic table. ... - Due to this, it can form 7 bonds with iodine very easily and form IF7.
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On the basis of electronegativity and atom size, the existence of and the absence of can be explained.
Explanation:
- We know that Fluorine is the most electronegative element present in the periodic table. As a result, Fluorine just requires one electron to occupy its outermost shell and achieve stability.
- As a result of the Noble gases configuration of Iodine, Fluorine can form a bond. However, Chlorine and Bromine are not sufficiently electronegative to achieve that level of stability and establish a stable bond with Iodine's noble gas structure. Thus, we can see that can't exist but exist.
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