Определите степень окисления по формуле вещества:
1.2.1. AgCl; PbO2; CaS. 1.2.2. Fe3O4; Cr2O3;MnS.
1.2.3. CrO; H2Se; PCl3. 1.2.4. PCl5; Cl2O6; FeCl3.
1.2.5. Cl2O3; B2H6; Al2O3. 1.2.6. CuI; I2O5; HF.
1.2.7. AgCl; CaS; MnBr2. 1.2.8. CrO3; CrCl3; ZnS.
1.2.9. AuCl3; H2O2; PbI2. 1.2.10.SnCl2; SeO2; P2O3.
1.2.11. N2H4; PbCl2; CrCl2. 1.2.12. BeCl2; l2O7; OF2.
1.2.1. AgCl; PbO2; CaS. 1.2.2. Fe3O4; Cr2O3;MnS.
1.2.3. CrO; H2Se; PCl3. 1.2.4. PCl5; Cl2O6; FeCl3.
1.2.5. Cl2O3; B2H6; Al2O3. 1.2.6. CuI; I2O5; HF.
1.2.7. AgCl; CaS; MnBr2. 1.2.8. CrO3; CrCl3; ZnS.
1.2.9. AuCl3; H2O2; PbI2. 1.2.10.SnCl2; SeO2; P2O3.
1.2.11. N2H4; PbCl2; CrCl2. 1.2.12. BeCl2; l2O7; OF2.
Answers & Comments
1.2.1. AgCl; PbO2; CaS. 1.2.2. Fe3O4= FeO*Fe2O3; Cr2O3;MnS.
+2 -2 +1 -2 +3 -1 +5 -1 +6 -2 +3 -1
1.2.3. CrO; H2Se; PCl3. 1.2.4. PCl5; Cl2O6; FeCl3.
+3 -2 +3 -2 +1 -1 +5 -2 +1 -1
1.2.5. Cl2O3; B2H6; -не прав. ф-ла Al2O3. 1.2.6. CuI; I2O5; HF.
+1 -1 +2-2 +2 -1 +6 -2 +3 -1 +2 -2
1.2.7. AgCl; CaS; MnBr2. 1.2.8. CrO3; CrCl3; ZnS.
+3 -1 +1 -2 +2 -1 +2 -1 +4 -2 +3 -2
1.2.9. AuCl3; H2O2; PbI2. 1.2.10.SnCl2; SeO2; P2O3.
-2 +1 +2 -1 +2 -1 +2 -1 +7 -2 +2 -1
1.2.11. N2H4; PbCl2; CrCl2. 1.2.12. BeCl2; l2O7; OF2.