問題詳情
32.有關電化電池Pb(s)+2 Ag+(aq) → Pb2+(aq)+2 Ag(s)之敘述何者正確?
(A) Pb為負極或陽極
(B)在正極半電池加入食鹽水,則電壓減小
(C)在陰陽兩極之半電池中同時加等量水,則電壓減小
(D)可使用NH4Cl溶液作為鹽橋
(E)電流由Ag極經導線流到Pb極,Ag為陰極或正極
(A) Pb為負極或陽極
(B)在正極半電池加入食鹽水,則電壓減小
(C)在陰陽兩極之半電池中同時加等量水,則電壓減小
(D)可使用NH4Cl溶液作為鹽橋
(E)電流由Ag極經導線流到Pb極,Ag為陰極或正極
參考答案
答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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