Kimia Tingkatan 5 KSSM Bab 1 Keseimbangan Redoks
Quiz
•
Chemistry
•
12th Grade
•
Hard
Joseh Anthony
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara berikut, yang manakah berlaku semasa tindak balas penurunan?
Menerima oksigen
Kehilangan hidrogen
Menerima elektron
Penambahan nombor pengoksidaan
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Apakah nombor pengoksidaan nitrogen dalam NH4Cl?
+1
+3
-1
-3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara berikut, yang manakah ialah tindak balas redoks?
H2SO4 + 2NaOH à Na2SO4 + 2H2O
2HCl + CaCO3 à CaCl2 + CO2 + H2O
Fe + CuSO4 à FeSO4 + Cu
K2CO3 + Ca(NO3)2 à CaCO3 + 2KNO3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara berikut, bahan yang manakah boleh menukarkan ion ferum(III), Fe3+ kepada ion ferum(II), Fe2+?
Air bromin
Hidrogen sulfida
Air klorin
Larutan kalium manganate(VII) berasid
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Persamaan ion berikut menunjukkan tindak balas antara air bromin dengan larutan ferum(II) sulfat.
2Fe2+(aq) + Br2(aq) à 2Fe3+(aq) + 2Br-(aq)
Nyatakan perubahan nombor pengoksidaan bromin dalam tindak balas tersebut.
0 ke +1
0 ke +2
0 ke -1
0 ke -2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara berikut, yang manakah benar mengenai tindak balas penyesaran halogen daripada larutan halida?
I Air bromin dapat menyesarkan klorin daripada larutan kalium klorida.
II Air klorin dapat menyesarkan iodin daripada larutan kalium iodida.
III Klorin ialah agen penurunan yang lebih kuat daripada iodin.
IV Iodin membentuk lapisan ungu dalam 1,1,1-triklorometana.
I dan III
I dan IV
II dan III
II dan IV
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara berikut yang manakah syarat-syarat piawai bagi setengah sel?
I Kepekatan ion 0.1 mol dm-3
II Suhu 25℃
III Tekanan pada 1 atm
IV Karbon digunakan sebagai elektrod lengai
I dan III
I dan IV
II dan III
II dan IV
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