Курысева Надежда Геннадьевна
учитель химии высшей категории, МОУ СОШ №36 г. Владимир
Задания С1
Cr+3 - 3ē → Cr+6
Br20 + 2ē → 2Br-1
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2
3
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Si0 - 4ē → Si+4
N+5 + 3ē → N+2
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3
4
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P0 - 5ē → P+5
N+5 + 3ē → N+2
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3
5
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Cr+6 + 3ē → Cr+3
2I- - 2ē → I2
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2
3
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P0 - 5ē → P+5
N+5 + 1ē → N+4
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1
5
|
Cr+6 + 3ē → Cr+3
2Cl- - 2ē → Cl2
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2
3
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B0 - 3ē → B+3
N+5 + 1ē → N+4
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1
3
|
Mn+7 + 5ē → Mn+2
S-2 - 2ē → S
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2
5
|
Mn+7 + 5ē → Mn+2
2Cl- - 2ē → Cl2
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2
5
|
S-2 - 2ē → S
Mn+7 + 3ē → Mn+4
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3
2
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2Br- - 2ē → Br2
Mn+7 + 5ē → Mn+2
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5
2
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Cl+1 + 2ē → Cl-1
2I- - 2ē → I2
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1
1
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N+3+1ē → N+2
2I- - 2ē → I2
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2
1
|
N+2 - 3ē → N+5
Cl+1+2ē → Cl-1
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2
3
|
Mn+7 + 5ē → Mn+2
C0 - 4ē → C+4
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4
5
|
P-3 - 8ē → P+5
Mn+7 + 3ē → Mn+4
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3
8
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N+5+ 3ē → N+2
2P+3 - 4ē → 2P+5
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4
3
|
P-3 - 8ē → P+5
Cl+5 + 6ē → Cl-1
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3
4
|
Mn+7 + 5ē → Mn+2
Zn0 - 2ē → Zn+2
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2
5
|
Fe+2 - 1ē → Fe+3
N+5 + 1ē → N+4
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1
1
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