Redoks
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
Saptono Nugrohadi
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan oksidasi fosfor paling rendah terdapat pada senyawa....
PH4Br
POBr3
PF3
PCl5
Ca3(PO4)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut ini yang merupakan reaksi redoks adalah… .
NaOH + HCl → NaCl + H2O
CaSO4 + 2 LiOH → Ca(OH)2 + Li2SO4
Mg(OH)2 + 2 HCl → MgCl2 + 2 H2O
BaCl2 + H2SO4 → BaSO4 + 2 HCl
MnO2 + HCl → MnCl2 + 2 H2O + Cl2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara reaksi-reaksi tersebut di bawah ini yang merupakan contoh reaksi redoks adalah… .
AgNO3 + NaCl → AgCl + NaNO3
2 KI + Cl2 → I2 + 2 KCl
NH3 + H2O → NH4+ + OH-
NaOH + CH3COOH → CH3COONa + H2O
Al2O3 + 2 NaOH → 2 NaAlO2 + H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biloks Mn tertinggi terdapat pada senyawa… .
KMnO4
MnO2
K2MnO4
MnCl2
MnS
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi
3 CuS + 8 H+ + 2 NO3- -> 3 Cu2+ + 2 NO + 3S + 4 H2O
Unsur yang mengalami oksidasi adalah....
Cu
N
H
S
O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara reaksi-reaksi di bawah ini yang bukan reaksi redoks adalah....
SnCl2 + I2 + 2 HCl -> SnCl4 + 2 HI
H2 + Cl2 -> 2 HCl
CuO + 2 HCl -> CuCl2 + H2O
Cu2O + C -> 2 Cu + CO
MnO2 + 4 HCl -> MnCl2 + 2 H2O + Cl2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi oksidasi, karena reaksi yang ditandai dengan pengikatan elektron
Reaksi oksidasi, karena reaksi yang ditandai dengan pelepasan elektron
Reaksi oksidasi, karena reaksi yang ditandai dengan pengikatan oksigen
Reaksi reduksi, karena reaksi yang ditandai dengan pelepasan oksigen
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