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Keseimbangan Redoks [Subtopik 1.1 & 1.2]

Quiz
•
Chemistry
•
10th - 11th Grade
•
Hard
NUR Moe
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Antara berikut, yang manakah berlaku dalam tindak balas penurunan?
Which of the following occurs in reduction reaction?
Menerima oksigen
Gain oxygen
Kehilangan hidrogen
Loss hydrogen
Penambahan elektron
Gain electron
Penambahan nombor pengoksidaan
Increase in oxidation number
2.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Antara berikut, yang manakah benar mengenai persamaan kimia seimbang di bawah ?
Which of the following is true about the balanced chemical equation below?
Hidrogen sulfida alami pengoksidaan dengan kehilangan hidrogen membentuk sulfur
Hydrogen sulphide undergoes oxidation by losing hydrogen forming sulphur
Bromin alami pengoksidaan dengan kehilangan hidrogen membentuk asid hidrobromik
Bromine undergoes oxidation by losing hydrogen forming hydrobromic acid
Hidrogen sulfida ialah agen pengoksidaan
Hydrogen sulphide is an oxidising agent
Bromin ialah agen penurunan
Bromine is a reducing agent
3.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Apakah nombor pengoksidaan klorin dalam KClO3?
What is the oxidation number of chlorine in KClO3?
-2
-1
+1
+5
4.
MULTIPLE SELECT QUESTION
15 mins • 5 pts
Manakah antara berikut yang memerlukan angka roman dalam penamaan mengikut IUPAC?
Which of the following compound requires roman numeral in its naming according to IUPAC?
Na2SO4
Al2O3
V2O5
Cu2O
5.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Larutan ion Fe3+ boleh ditukarkan kepada ion Fe2+ dengan mencampurkan serbuk zink. Antara berikut, yang manakah dapat menggantikan serbuk zink dalam tindak balas ini?
Fe3+ ion in solution can be converted to Fe2+ ions by adding zinc powder. Which of the following can replace zinc powder in this reaction?
Air bromin
Bromine water
Larutan kalium iodida
Potassium iodide solution
Larutan kalium heksasianoferat(II)
Potassium hexacynaferrate(II) solution
Larutan kalium manganat(VII) berasid
Acidified potassium manganate(VII) solution
6.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Manakah antara pernyataan berikut benar?
Which of the following statement is true?
Elektron bergerak dari elektrod X ke elektrod Y
Electron moves from X electrode to Y electrode
Ferum(II) sulfat mengalami tindak balas pengoksidaan
Iron(II) sulphate undergoes oxidation reaction
Elektron mengalir melalui asid sulfurik untuk melengkapkan litar
Electron flows through sulphuric acid to complete the circuit
Larutan kalium dikromat(VI) berasid berfungsi sebagai agen penurunan
Acidified potassium dichromate(VI) solution acts as reducing agent
7.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Jadual menunjukkan keupayaan elektrod piawai bagi ion logam. P, Q, R dan S bukan merupakan simbol sebenar unsur. Berdasarkan maklumat di atas, yang manakah susunan yang betul mengikut urutan menaik kekuatan agen pengoksidaan?
Table shows standard electrode potential of metal ion. P, Q, R and S are not the actual symbols of elements. Based on the above information, which of the following is the correct order of increasing strength of oxidising agent?
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