問題詳情
49. 在下列各反應式中，何者畫線物質非氧化劑？
(A)3CuO+2NH3 → 3Cu+N2+3H2O
(B)Zn+2HCl → ZnCl2+H2
(C)K2Cr2O7+2KOH → 2K2CrO4+H2O
(D)2FeSO4+H2O2+H2SO4 → Fe2(SO4)3+2H2O
(A)3CuO+2NH3 → 3Cu+N2+3H2O
(B)Zn+2HCl → ZnCl2+H2
(C)K2Cr2O7+2KOH → 2K2CrO4+H2O
(D)2FeSO4+H2O2+H2SO4 → Fe2(SO4)3+2H2O
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