NEW
Font size
Worksheetsmenganalisis tindak balas redoks
Total questions: 10
Worksheet time: 5mins
What is the meaning of a redox reaction?
Apakah maksud tindak balas redoks?
Reduction reaction involved gain of electron.
Tindak balas penurunan melibatkan penerimaan elektron.
Oxidation reaction involved loss of electron.
Tindak balas pengoksidaan melibatkan kehilangan elektron.
Both oxidation and reduction reaction occurred simultaneously
Kedua-dua tindakbalas penurunan dan pengoksidaan yang berlaku serentak.
A reaction involved gaining electron and losing hydrogen.
Tindak balas melibatkan penerimaan elektron dan kehilangan hidrogen.
Which of the following statements refer to oxidation?
Pernyataan yang manakah merujuk kepada pengoksidaan?
I Process of losing oxygen
Proses kehilangan oksigen
II Process of gaining hydrogen
Proses penerimaan hidrogen
III Process of losing electrons
Proses kehilangan elektron
IV Process of increasing oxidation number
Proses penambahan nombor pengoksidaan
I and II only
III and IV only
I, II and III only
I, II , III and IV
Which of the following is a redox reaction?
Antara berikut yang manakah tindak balas redoks?
Na2O + H2O → 2NaOH
NaOH + HCl → NaCl + H2O
2Na + 2H2O → 2NaOH + H2
NaCl + AgNO3 → AgCl + NaNO3
The ionic equation shows a redox reaction.
Persamaan ion berikut menunjukkan tindak balas redoks.
P (s) + Q2+(aq) → P2+ (aq) + Q (s)
Which of the following statement is true?
Manakah antara pernyataan berikut adalah benar?
Q2+ is oxidized.
Q2+ dioksidakan
P donates electrons
P menderma elektron
P is an oxidizing agent
P adalah agen pengoksidaan
Q2+ is a reducing agent
Q2+ adalah agen penurunan
Which of the following represents the oxidation number of nitrogen in the various oxides of nitrogen?
Manakah antara berikut dapat mewakili nombor pengoksidaan bagi nitrogen di dalam pelbagai oksida nitrogen?
A
B
C
D
What is the oxidation number of X in X2O32- ion?
Apakah nombor pengoksidaan bagi X dalam ion X2O32- ?
+2
+4
-2
-4
The following equation shows the redox reaction between copper and silver nitrate solution.
Persamaan berikut menunjukkan tindak balas redok antara kuprum dengan larutan argentum nitrat.
Cu + 2AgNO3 → Cu(NO3)2 + 2Ag
Which of the following statements is true about this reaction?
Antara pernyataan berikut, yang manakah benar mengenai tindak balas ini?
Silver ion is oxidized
Ion argentum dioksidakan
Copper is the oxidizing agent
Kuprum adalah agen pengoksidaan
The oxidation number of copper increases
Nombor pengoksidaan kuprum bertambah
The oxidation number of nitrogen decreases
Nombor pengoksidaan nitrogen berkurang
The following is an equation that represents a redox reaction.
Berikut adalah sain persamaan yang mewakili suatu tindak balas redoks.
H2S (g) + 2Fe3+ (aq) ---> 2 Fe2+ (aq) + 2H+ (aq) + S(s)
State the change in oxidation number of oxidising agent. Nyatakan perubahan nombor pengoksidaan bagi agen pengoksidaan
+2
+1
+4
-2
The following is an equation that represents a redox reaction.
Berikut adalah sain persamaan yang mewakili suatu tindak balas redoks.
H2S (g) + 2Fe3+ (aq) ---> 2 Fe2+ (aq) + 2H+ (aq) + S(s)
Name the substance that undergoes oxidation in the reaction.
Namakan bahan yang mengalami pengoksidaan dalam tindak balas ini.
Ferum(III)
Ferum(II)
hydrogen sulphate
Hydrogen
A
B
C
D
