Metodo del ion electron medio acido RESAGADOS 5to C

Quiz
•
Chemistry
•
11th Grade
•
Hard
Chino Irala
Used 16+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Iguala el siguiente ejercicio en el metodo del ion electron medio acido? IO-2 → I- + I O-4
3 I O-2 + 4 H+ → 2 I- + I O-4 + 3 H2 O
3 I O-2 + 4 H2 O → 2 I- + I O-4 + 2 H2 O
3 I O-2 + 4 H+ → 2 I- + I O-4 + 2 H2 O
3 I O-2 + 4 H+ → 2 I- + I O-4 + 4 H2 O
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Igula el siguiente ejercicio en el método del ion electrón medio ácido? Mn O2 + Cr3+ → Mn2+ + Cr2 O72-
3 Mn O2 + 4 Cr3+ + 8 H2O → 3 Mn2+ + 2Cr2O7 + 18H+
4 Mn O2 + 4 Cr3+ + 8 H2O → 6 Mn2+ + 2Cr2O7 + 18H+
8 Mn O2 + 4 Cr3+ + 8 H2O → 3 Mn2+ + 4Cr2O7 + 18H+
3 Mn O2 + 4 Cr3+ + 8 H2O → 3 Mn2+ + 2Cr2O7 + 16H+
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Iguala el siguiente ejercicio en el método del ion electrón medio ácido? Cr2O3 → Cr2+ + CrO42-
4Cr2O3 + 8H+ → 2Cr O42- + 6Cr 2+ + 4H2O
6Cr2O3 + 8H+ → 2Cr O42- + 8Cr 2+ + 4H2O
4Cr2O3 + 4H+ → 2Cr O42- + 6Cr 2+ + 3H2O
3Cr2O3 + 8H+ → 4Cr O42- + 6Cr 2+ + 4H2O
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En la siguiente semiecuacción en medio ácido: Cr2O7 -2 → Cr+3. ¿Cuántos iones de hidrógeno y agua se necesitan para su igualación o balanceo?
7 H2O y 7 H+
14 H2O y 7 H+
7 H2O y 14 H+
7 H2O y 14 OH-
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En la siguiente reacción el Mn reduce en cuanntor electrones
4 electrones
5 electrones
2 electrones
3 electrones
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