
TINDAK BALAS REDOKS by Cg SS
Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
SITI Moe
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapakah nombor pengoksidaan bagi unsur kromium dalam kalium dikromate (VI) K2Cr2O7 ?
+2
+3
+5
+6
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
SPM 2012 Question 13 Ion ferum(II), Fe2+ dalam larutan boleh ditukar kepada ion ferum(III), Fe3+ dengan menambahkan larutan X. Apakah X?
Natrium hidroksida
Natrium tiosulfat
Kalium heksasianoferat(II)
Kalium manganat(VII) berasid
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
SPM 2012
Persamaan ion berikut menunjukkan tindak balas antara zink dengan asid.
Zn(p) + 2H+ (ak) → Zn2+(ak) + H2(g)
Apakah perubahan nombor pengoksidaan hidrogen?
0 kepada +1
0 kepada +2
+1 kepada 0
+1 kepada +2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
SPM 2013
Apakah yang dimaksudkan dengan penurunan?
Terima elektron
Terima oksigen
Hilang hidrogen
Penambahan nombor pengoksidaan
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
SPM 2013
Rajah menunjukkan susunan radas untuk mengkaji pemindahan elektron pada suatu jarak. Antara berikut, yang manakah berlaku dalam rajah di atas?
Ferum terenap di elektrod Q
Elektron mengalir melalui asid sulfurik
Gas hidrogen terbebas di elektrod P
Warna perang bromin menjadi tidak bewarna
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2FeCl3 + H2S → 2FeCl2 + 2HCl + S
Bahan yang manakah mengalami pengoksidaan?
Ion Fe3+
Ion Fe2+
Ion sulfida
Sulfur
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