1 вариант 1. H0 —H1- 2. S+4 —S-2 3. Fe2+ —Fe3+ 4. Cu0 —Cu2+ 5. N+5 —N-3 6. Mn+2 —Mn+7 7. Pb0 —Pb+2 8. Ag0 —Ag+ 9. Cl-1 —Cl+5 10. Cr+2 —Cr+6 11. HNO3 + Mg= H2O+ NH4NO3+Mg(NO3)2
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2 вариант 1. F0 —F-1 2. S+6 —S-2 3. Fe+3 —Fe+2 4. Ca0 —Cu+2 5. N+5 —N+4 6. Mn+7 —Mn+2 7. Zn0 —Zn+2 8. K0 —K+ 9. Cl+5 —Cl-1 10. P-3 —P+5 11. KMnO4 + KNO2+ H2SO4= MnSO4+KNO3+K2SO4 +H2O
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3 вариант 1. Cl+5 —Cl-1 2. Cu+2 —Cu+1 3. Fe0 —Fe3+ 4. Mg0 —Mg2+ 5. N+4 —N-3 6. S-2 —S+6 7. Ba0 —Ba+2 8. Na0 —Na+ 9. V+5 —V0 10. Cr+6 —Cr+2 11. KMnO4 + KI + H2SO4 = I2 + MnSO4 + K2SO4 + H2O
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1 вариант 1. H0 —H1- 2. S+4 —S-2 3. Fe2+ —Fe3+ 4. Cu0 —Cu2+ 5. N+5 —N-3 6. Mn+2 —Mn+7 7. Pb0 —Pb+2 8. Ag0 —Ag+ 9. Cl-1 —Cl+5 10. Cr+2 —Cr+6 11. HNO3 + Mg= H2O+ NH4NO3+Mg(NO3)2
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2 вариант 1. F0 —F-1 2. S+6 —S-2 3. Fe+3 —Fe+2 4. Ca0 —Cu+2 5. N+5 —N+4 6. Mn+7 —Mn+2 7. Zn0 —Zn+2 8. K0 —K+ 9. Cl+5 —Cl-1 10. P-3 —P+5 11. KMnO4 + KNO2+ H2SO4= MnSO4+KNO3+K2SO4 +H2O
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3 вариант 1. Cl+5 —Cl-1 2. Cu+2 —Cu+1 3. Fe0 —Fe3+ 4. Mg0 —Mg2+ 5. N+4 —N-3 6. S-2 —S+6 7. Ba0 —Ba+2 8. Na0 —Na+ 9. V+5 —V0 10. Cr+6 —Cr+2 11. KMnO4 + KI + H2SO4 = I2 + MnSO4 + K2SO4 + H2O
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1 вариант 1. H0 —H1- 2. S+4 —S-2 3. Fe2+ —Fe3+ 4. Cu0 —Cu2+ 5. N+5 —N-3 6. Mn+2 —Mn+7 7. Pb0 —Pb+2 8. Ag0 —Ag+ 9. Cl-1 —Cl+5 10. Cr+2 —Cr+6 11. HNO3 + Mg= H2O+ NH4NO3+Mg(NO3)2
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2 вариант 1. F0 —F-1 2. S+6 —S-2 3. Fe+3 —Fe+2 4. Ca0 —Cu+2 5. N+5 —N+4 6. Mn+7 —Mn+2 7. Zn0 —Zn+2 8. K0 —K+ 9. Cl+5 —Cl-1 10. P-3 —P+5 11. KMnO4 + KNO2+ H2SO4= MnSO4+KNO3+K2SO4 +H2O
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3 вариант 1. Cl+5 —Cl-1 2. Cu+2 —Cu+1 3. Fe0 —Fe3+ 4. Mg0 —Mg2+ 5. N+4 —N-3 6. S-2 —S+6 7. Ba0 —Ba+2 8. Na0 —Na+ 9. V+5 —V0 10. Cr+6 —Cr+2 11. KMnO4 + KI + H2SO4 = I2 + MnSO4 + K2SO4 + H2O
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