SEL VOLTA
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Eka Pratiwi -
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui data pontensial sel standar:
Ag+(aq) + e- ----> Ag(s) Eo = +0,80 volt
Zn2+(aq) + 2e- ----> Zn(s) Eo = -0,76 volt
In3+(aq) + 3e- ----> In(s) Eo = -0,34 volt
Mn2+(aq) + 2e- ---->Mn(s) Eo = -1,20 volt
Reaksi redoks di bawah ini yang dapat berlangsung spontan adalah…
Zn(s) + Mn2+(aq) ----> Zn2+(aq) + Mn(s)
3Ag(s) + In3+(aq) ----> 3Ag+(aq) + In(s)
2In(s) + 3Mn2+(aq) ---> 2In3+(aq) + 3Mn(s)
3Zn(s) + 2In3+(aq) ----> 3Zn2+(aq) + 2In(s)
2Ag(s) + Mn2+(aq) ----- 2Ag+(aq) + Mn(s)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cu/Cu2+∥Mg/Mg2+
Cu/Cu2+∥Mg2+/Mg
Mg/Mg 2+∥ Cu/Cu2+
Mg2+/Mg ∥ Cu/Cu2+
Mg/Mg 2+∥ Cu2+/Cu
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui potensial reduksi berikut.
Pb2+(aq) / Pb(s) Eo = -0,13 volt
Al3+(aq) / Al(s) Eo = -1,76 volt
Potensial sel yang dihasilkan dari kedua elektroda tersebut jika dirangkai menjadi sel volta adalah….
– 1,89 volt
– 1,63 volt
+ 1,63 volt
+ 1,89 volt
+ 3,91 volt
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perhatikan data sel dalam kehidupan sehari-hari berikut.
(1) baterai alkalin
(2) sel penyepuhan
(3) aki
(4) reaktor nuklir
(5) sel kering zink-karbon
Yang termasuk sel galvani (sel volta) adalah…
(1) dan (2)
(1) dan (4)
(2) dan (3)
(2) dan (5)
(3) dan (5)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Zn/Zn2+//Al3+/Al
Zn/Zn2+//Al/Al3+
Al/Zn//Al3+/Zn2+
Al/Al3+//Zn2+/Zn
Zn2+/Zn//Al/Al3+
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perhatikan data persamaan reaksi di bawah ini!
Al3+(aq) + 3e ---> Al(s) Eo = -1,66 volt
Zn2+(aq) + 2e ---> Zn(s) Eo = -0,76 volt
Harga Potensial reaksi:
Zn(s) + Al3+(aq) ---> Zn2+(aq) + Al(s)
adalah…
+2,42 volt
+0,96 volt
+0,90 volt
-0,90 volt
-2,42 volt
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui:
Ni2+ + 2e- ---> Ni E0 = -0,25 volt
Pb2+ + 2e- ---> Pb E0 = -0,13 volt
Potensial sel volta yang terdiri dari electrode Ni dan Pb adalah…
-0,38 volt
-0,12 volt
+0,12 volt
+0,25 volt
+0,38 volt
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