
Pre Test_XMIPA 1Redoks
Authored by Siti Rochmawati
Chemistry
9th - 12th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Suatu unsur mengalami oksidasi jika ….
melepas oksigen
melepas elektron
mengikat hidrogen
menyerap elektron
mengalami penurunan biloks
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perkembangan pengertian reaksi reduksi dinyatakan dengan tiga hal berikut.
(1) penangkapan elektron
(2) pelepasan oksigen
(3) pengurangan biloks
Urutan pengertian reduksi yang benar adalah ....
(1), (2), dan (3)
(1), (3) dan (2)
(2), (1), dan (3)
(2), (3) dan (1)
(3), (1), dan (2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di bawah ini yang termasuk ciri reaksi redoks yang benar adalah .....
Selalu terjadi serentak, peristiwa reduksi selalu diikuti peristiwa oksidasi
Reaksi reduksi terjadi lebih dahulu daripada reaksi oksidasi
Reaksi oksidasi terjadi lebih dahulu daripada reaksi reduksi
Reaksi redoks tidak bisa berlangsung bersamaan
Selalu terjadi berlawanan, peristiwa reduksi kadang diikuti peristiwa oksidasi
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi Na dalam Na2O adalah ….
-1
+1
+3
+5
+7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi hidrogen dengan bilangan oksidasi -1 terdapat pada senyawa ….
NaH
NH3
H2O
HNO3
PH3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika biloks K=+1 dan O =-2, maka nilangan oksidasi unsur Mn dalam KMnO4 adalah ….
-2
+2
+4
+6
+7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-1 menjadi +1 dan 0
+1 menjadi -1 dan 0
0 menjadi -1 dan -2
-2 menjadi 0 dan +1
0 menjadi -1 dan +1
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