问题标题：
超一流化学高手、化学专家请进(Periodicity0037)请用英文解答(该题是要用英文解的答化学题,不是翻译题).(a)Explainwhyasampleofiron(II)oxide(FeO)willnothaveaniron(II)tooxygenmoleratioof1:1.(b)Goldisa
问题描述：
超一流化学高手、化学专家请进(Periodicity0037)
请用英文解答(该题是要用英文解的答化学题,不是翻译题).
(a)Explainwhyasampleofiron(II)oxide(FeO)willnothaveaniron(II)tooxygenmoleratioof1:1.
(b)Goldisaveryimportantmineral.Thegoldoreismixedwithcyanidesolutiontoleechthegoldintosolutiontoformacomplex,afterwhichthegoldisthenobtainedbyreductionofthecomplex.
(1)Statethecomplexformed.
(2)Giveanexampleofareducingagenttoobtaingold.
Thanks.
安维嵘回答：
a)easeofoxidizingFe(II)toFe(III)
b)[Au(CN)2]-
reducingtechniques:
*Carboninpulp
*Merrill-Croweprocess
*Electrowinning
*Resininpulp
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