The II bond distance in I 2 (gas phase) is 267 pm, in the [I 3 ]

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The I—I bond distance in I2 (gas phase) is 267 pm, in the [I3]+ ion is 268 pm, and in [I3]‾ is 290 pm (for the [AsPh4]+ salt). 

(a) Draw Lewis structures for these species. Do these representations account for the variation in bond distance? 

(b) Use MO theory to describe the bonding and deduce the I—I bond order in each species. Are your results consistent with the structural data?

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Related Book For  answer-question

Inorganic Chemistry

ISBN: 9781292134147

5th Edition

Authors: Catherine Housecroft

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