

Окислительно-восстановительные реакции
Presentation
•
Chemistry
•
10th Grade
•
Medium
Inna Kayirzhan
Used 1+ times
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1 Slide • 8 Questions
1
By Inna Kayirzhan
2
Multiple Choice
1. Определите, какой галоген будет самым сильным окислителем:
бром
фтор
хлор
йод
3
Multiple Choice
2. Укажите формулу наиболее сильного восстановителя из числа указанных
S
SO2
P
Al
4
Multiple Choice
3. Укажите процесс окисления
С+4 +2е- → С+2
С0 –4е- → С+4
С0 +4е- → С-4
С+4 + 4е- → С0
5
Multiple Choice
4. Отметьте процессы восстановления
N+5 +3e- → N+2
N+2 –2e- → N+4
2 N-3 –6e- → N20
N20 – 4e- → 2 N+2
6
Multiple Choice
5. Из числа приведенных реакций окислительно – восстановительной является
2 NH3 + H3PO4 → (NH4)2HPO4
Са(ОН)2 + 2 СО2 → Са(НСО3)2
NaCI + AgNO3 → NaNO3 + AgCI¯
4 NH3 + 5O2 → 4 NO + 6 H2O
7
Multiple Choice
6. Сумма коэффициентов перед формулами всех веществ в ОВР протекающей по схеме: Fe (OH)2 + O2 + H2O ® Fe (OH)3, равна
7
4
11
10
8
Open Ended
7. Расставьте коэффициенты в следующем уравнении химической реакции с помощью метода электронного баланса:
Cu + HNO3 → Cu(NO3)2 + NO +H2O
9
Multiple Choice
Схема процесса восстановления
N+5 ⟶ N+2
Fe+2 ⟶ Fe+3
2N-3 ⟶ N20
S+4⟶ S+6
By Inna Kayirzhan
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