(a) The salt [NH 4 ] 3 [ZrF 7 ] contains discrete ions with 7-coordinate Zr(IV). On...

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(a) ‘The salt [NH4]3[ZrF7] contains discrete ions with 7-coordinate Zr(IV). On the other hand, in a compound formulated as [NH4]3[HfF7], Hf(IV) is octahedral’. Comment on this statement and suggest possible structures for [ZrF7]3−.

(b) 93Nb NMR spectroscopy has provided evidence for halide exchange when NbCl5 and NbBr5 are dissolved in MeCN. What would be the basis for such evidence?

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Inorganic Chemistry

ISBN: 9781292134147

5th Edition

Authors: Catherine Housecroft

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