Apakah nombor pengoksidaan bagi X
dalam ion X2O7-2 ?
Kuiz Pengoksidaan dan Penurunan
Assessment
•
MAZNAH MOHAMED MOHAMED
•
Chemistry
•
10th Grade
•
720 plays
•
Medium
Student preview
15 questions
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1.
MULTIPLE CHOICE
1 min • 1 pt
2.
MULTIPLE CHOICE
1 min • 1 pt
Maksud tindak balas REDOKS adalah:
3.
MULTIPLE CHOICE
1 min • 1 pt
Mg + CuO → MgO + Cu
Berdasarkan persamaan kimia di atas :
4.
MULTIPLE CHOICE
1 min • 1 pt
Pernyataan manakah yang mendefinisikan pengoksidaan?
5.
MULTIPLE CHOICE
1 min • 1 pt
Apakah nombor pengoksidaan bagi X dalam ion X2O32-?
6.
MULTIPLE CHOICE
1 min • 1 pt
Apakah nombor pengoksidaan bagi X
dalam ion X2O7-2 ?
7.
MULTIPLE CHOICE
1 min • 1 pt
Apakah nombor pengoksidaan bagi nitrogen dalam NO2?
8.
MULTIPLE SELECT
1 min • 1 pt
Antara berikut yang manakah agen pengoksidaan?
9.
MULTIPLE CHOICE
1 min • 1 pt
Persamaan ion berikut menunjukkan tindak balas antara zink dengan asid.
Zn(p) + 2H+(ak) → Zn2+(ak) + H2(g)
Apakah perubahan nombor pengoksidaan hidrogen?
10.
MULTIPLE CHOICE
1 min • 1 pt
Persamaan ion berikut mewakili tindak balas antara larutan kalium dikromat (VI) berasid dengan larutan ferum (II) sulfat.
Cr2O72- + 14H+ + 6Fe2+ → 6Fe3+ + 2Cr3+ + 7H2O
Apakah perubahan nombor pengoksidaan kromium dalam tindak balas itu?
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