Question

classify the following compounds in strong electrolyte or weak electrolyte and indicate the species that produce in aqueous solution:

1. Li3PO4

2.NaClO2

3.CaSO4

4.RbOH

5.H2S

6.HlO3

7.Sr(OH)2

8.AgC2H3O2

9.Al2(SO4)3

10.(NH4)3Cr2O7

11.K3AsO4

12.LiCl

13.Na2C2O4

14.Fe(OH)3

15.Bi(OH)3

16.Sb2S3

17.Al2(CO3)3

18.CuSO4

19.Hl

Answer 1

1. Li3PO4 = 3 Li+(aq) + PO43-(aq) [ strong electrolyte]

2. NaClO2 = Na+(aq) + ClO2-(aq) [ strong electrolyte ]

3. CaSO4 = Ca2+(aq) + SO42-(aq) [ strong electrolyte ]

4. RbOH = Rb+(aq) + OH-(aq) [ strong electrolyte]

5. H2S = 2 H+(aq) + S2-(aq) [ weak electrolyte ]

6. HIO3 = H+(aq) + IO3-(aq) [ weak electrolyte ]

7. Sr(OH)2 = Sr2+(aq) + 2OH-(aq) [ strong electrolyte]

8. AgC2H3O2 = Ag+(aq) + C2H3O2-(aq) [ strong electrolyte]

9. Al2(SO4)3 = 2 Al3+(aq) + 3SO42-(aq) [ strong electrolyte ]

10. NH4)2Cr2O7 = 2 NH4+(aq) + Cr2O72-(aq) [ strong electrolyte ]

11. K3AsO4 = 3 K+(aq) + AsO43-(aq) [ strong electrolyte ]

12. LiCl = Li+(aq) + Cl-(aq) [ strong electrolyte ]

13. Na2C2O4 = 2 Na+(aq) + C2O42-(aq) [ strong electrolyte]

14. Fe(OH)3 = Fe3+(aq) + 3 OH-(aq) [ strong electrolyte]

15. Bi(OH)3 = Bi3+(aq) + 3 OH-(aq) [ weak electrolyte]

16. Sb2S3 = 2 Sb3+(aq) + 3 S2-(aq) [ weak electrolyte ]

17. Al2(CO3)3 = 2 Al3+(aq) 3 CO32-(aq) [ strong electrolyte]

18 CuSO4 = Cu2+(aq) + SO42- (aq) [ strong electrolyte ]

19. HI = H+(aq) + I-(aq) [ strong electrolyte ]

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