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| Question 32 What is the correct molecular geometry of the triiodide ion (la ? O linear O bent tetrahedral trigonal pyramidal D trigonal planar ) Ouestion 33
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Answer #1

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  • The molecular geometry of triiodode ion (IO3-) id linear, so the correct answer is option -01 ,linear.

With three nuclei (I- atoms) and three lone pairs of electrons, the molecular geometry of I3? is linear. This can be explained by elimininating the vertical interactions (shown in the below picture) existing in the electrom pair geometry (trigonal bipyramid) of I3?. (picture is copied from internet)

Triiodide lon Trigonal Bipyramid-i 1- ion 1 ion 180 Bond Angles Electron Pair Geometry 1- ion Linear Molecular Geometry C. Op

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