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9、就氧元素而言,下列反應中何者之氧並非氧化劑? (A) O2+2Na → Na2O2 (B) O2+F2 → O2F2 (C) CH4+O2 →CO2+2H2 (D) S+O2 → SO2 。
問題詳情
9、就氧元素而言,下列反應中何者之氧並非氧化劑?
(A) O2+2Na → Na2O2
(B) O2+F2 → O2F2
(C) CH4+O2 →CO2+2H2
(D) S+O2 → SO2 。
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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4、下列各選項中,何組兩化合物皆含有氧化數為-1 的元素? (A) Na2O、F2O2 (B) Cu2O、HCl (C) HClO3、Ca(ClO)Cl(D) H2O2、KH (E) H2S、OF2。
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