(a) SbCl3 may be used as a non-aqueous solvent above its melting point. Suggest a possible selfionization process for this solvent.
(b) Explain why the reaction of NOCI with AgNO3 in liquid N2O4 can be classed as a neutralization process. Write an equation for the reaction and compare it with that of HCL with Ca(OH)2 in aqueous solution.
(c) In water, Cr31 precipitates as Cr(OH)3 at pH 7, forms |Cr(OH2)6]3+ in strongly acidic solution (e.g. HCIO4), and [Cr(OH)4] in basic solution. Suggest what Cr(IIl) species are present in liquid NH3 as the pH is varied.
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