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Clara265
@Clara265
July 2022
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Задания Б3 и Б4 нужно подробное решение
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gigans
1) K⁺¹Mn⁺⁷O4⁻² +7
2) Mn⁺⁴O2⁻² +4
3) Mn⁺²S⁺⁶O4⁻² +2
4) Na2⁺¹Mn⁺⁶O4⁻² +6
B2.
1) H2+S=H2S
2H-2e- = 2H(+) вос-ль
S+2e- = S(2-)
2)2HCl+Ba=BaCl2+H2
2Н + 2е =Н2(2) /1
Ва - 2е = Ва (2) /1 восс-ль
3) CO+O2=CO2
C(0)-4e=C(+4) восс-ль
O2+4e=2O(-2)
4) C+FeO=Fe+ Co
Fe +2 +2e-->Fe (1)
C +2 -2e-->C +4 (1) восс-ль
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Answers & Comments
2) Mn⁺⁴O2⁻² +4
3) Mn⁺²S⁺⁶O4⁻² +2
4) Na2⁺¹Mn⁺⁶O4⁻² +6
B2.
1) H2+S=H2S
2H-2e- = 2H(+) вос-ль
S+2e- = S(2-)
2)2HCl+Ba=BaCl2+H2
2Н + 2е =Н2(2) /1
Ва - 2е = Ва (2) /1 восс-ль
3) CO+O2=CO2
C(0)-4e=C(+4) восс-ль
O2+4e=2O(-2)
4) C+FeO=Fe+ Co
Fe +2 +2e-->Fe (1)
C +2 -2e-->C +4 (1) восс-ль