
Sel elektrolisis
Authored by Davina Shafa
Chemistry
11th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektrolisis larutan tembaga(II) sulfat dengan elektrode besi di katode, dan di anode elektrode tembaga, di katode setelah elektrolisis akan terjadi .....
Gas hidrogen
Ion OH-
Endapan tembaga
Gas klorin
Gas tembaga
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu hal yang harus diperhatikan dalam menentukan reaksi di katoda pada sel elektrolisis adalah...
Ion H+ dari asam teroksidasi menjadi H2
Kation akan teroksidasi menjadi logamnya bila elektrolitnya berupa lelehan
Jenis elektroda
Letak elektroda pada deret volta
Letak logam dari kation pada deret volta
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi elektrolisis larutan yang menghasilkan gas H2 di katoda dan O2 di anoda jika menggunakan elektroda C, kecuali….
Larutan MgSO4
Larutan K2SO4
Larutan Ca(NO3)2
Larutan Cu(NO3)2
Larutan NaNO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Didalam Elektrolisis Digunakan 2 buah elektroda yang bermuatan, pernyataan ini yang benar adalah…
Katoda bermuatan Positif dan Anoda bermuatan Negatif
Katoda bermuatan Negatif dan Anoda bermuatan Netral
Katoda bermuatan Negatif dan Anoda bermuatan Positif
Katoda bermuatan Netral dan Anoda bermuatan Negatif
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektrolisis larutan natrium klorida di kutub (- ) ketika di tetesi phenolphtalein terjadi warna seperti gambar di atas, maka pada kutub tersebut terbentuk ion ....
H+
Na+
H2
Cl-
OH-
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