菊花淡茶
幼苗
共回答了13个问题采纳率:92.3% 举报
C.
A.Fe3+ -> Fe2+ (+3 -> 2+) (reduction)
B.SO42- -> S (6+ -> 0) (reduction)
D.NO2 -> HNO3 (4+ -> 5+) (oxidation)
-> NO (4+ -> 2+) (reduction)
*if an atom being oxidation and reduction in a same process,it call disproportionation.
1年前
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