(a)The 19FNMR spectrum of [Kr2F3][SbF6] in BrF5 at 207K contains a doublet (J=347Hz) and triplet (J=347Hz) assigned to the cation. Explain the origin of these signals.
(b) Give examples that illustrate the role of E—F—Xe and E—F—Kr bridge formation(E=any element) in the solid state.To what extent does bridge formation occur betwen cations and anions,and how does it affect the description of a solid as containing discreteions?
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