問題詳情
11.铁镍蓄电池又称爱迪生电池,放电时的总反应为:Fe+Ni2O3+3H2O=Fe(OH)2+2Ni(OH)下列有关该电池的说法不正确的是
(A). 电池的电解液为碱性溶液,正极为Ni2O负极为Fe
(B). 电池放电时,负极反应为Fe+2OH--2e-=Fe(OH)2
(C). 电池充电过程中,阴极附近溶液的pH降低
(D). 电池充电时,陽极反应为2Ni(OH)2+2OH--2e-=Ni2O3+3H2O
(A). 电池的电解液为碱性溶液,正极为Ni2O负极为Fe
(B). 电池放电时,负极反应为Fe+2OH--2e-=Fe(OH)2
(C). 电池充电过程中,阴极附近溶液的pH降低
(D). 电池充电时,陽极反应为2Ni(OH)2+2OH--2e-=Ni2O3+3H2O
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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