kuis kelas XII

kuis kelas XII

Assessment

Flashcard

Chemistry

12th Grade

Hard

Created by

SUKMIATI SUKMIATI

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15 questions

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1.

FLASHCARD QUESTION

Front

Sel volta: Ag+ + e → Ag (E0= +0,80V), Cu2+ + 2e → Cu (E0= +0,34V). Pernyataan benar:

Back

Potensial selnya = 0,46

2.

FLASHCARD QUESTION

Front

Sel volta: Elektrode Cu (E° = +0,34 V) dan Ag (E° = +0,80 V).

Back

Cu sebagai kutub negatif.

3.

FLASHCARD QUESTION

Front

Zn2+ + 2e → Zn (E° = -0.76 V) | Cu2+ + 2e → Cu (E° = +0.34 V) | Potensial sel Zn + Cu2+ → Zn2+ + Cu

Back

+1.10 V

4.

FLASHCARD QUESTION

Front

Reaksi: Ni(s) + 2AgNO3(aq) → Ni(NO3)2(aq) + 2Ag(s). Bagan sel volta:

Back

Ni | Ni2+ || Ag+ | Ag

5.

FLASHCARD QUESTION

Front

Sel volta: Ag dalam Ag+ 1M, Zn dalam Zn²⁺ 1M. E° Ag = +0,80 V, E° Zn = -0,76 V. Pernyataan tidak benar:

Back

Reaksi sel: 2 Ag + Zn²⁺ → 2 Ag²⁺ + Zn

6.

FLASHCARD QUESTION

Front

Pernyataan yang tidak sesuai dengan kaidah sel volta:

Back

3. Katode adalah elektrode positif.

7.

FLASHCARD QUESTION

Front

Zn+2 / Zn Eo = –0,76 V; Cu+2 / Cu Eo = +0,34 V. Potensial sel (Eo sel) adalah ...

Back

+1,10 Volt

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