SEL VOLTA

SEL VOLTA

12th Grade

10 Qs

quiz-placeholder

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SEL VOLTA

SEL VOLTA

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Medium

Created by

Eka Pratiwi -

Used 261+ times

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10 questions

Show all answers

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

Media Image

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

Media Image

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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