Abstract
The spectra and reactions of seven compounds of three second row transition elements are reported. Sodium molybdate(VI) and molybdenum(VI) oxide were reduced at 200°C mainly to insoluble modybdenum(IV) and (III) sulphides, respectively, with some soluble molybdenum(IV). Oxygen was also formed from the molybdenum(VI) oxide reaction. Rhodium(III) chloride and silver(I) oxide formed the corresponding sulphides. Silver(I) nitrate reacted extremely rapidly, initially to give silver(I) sulphide and cyanide, nitrogen oxides and oxygen, and at higher temperatures the silver cyanide reacted to give more silver sulphide and cyanogen. Sulphur was also evolved. In each reaction a variety of anionic oxidation products of thiocyanate were identified.
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