1.- Characterize the following compounds as soluble orinsoluble in water: a) Ca

Question

1.- Characterize the following compounds as soluble orinsoluble in water: a) Ca3(PO4)2,b) K2S, c) CaCO3, d)AgClO3, e) Mn(OH)2, f) NH4ClO4, g)HgSO4, h) ZnSO4, i)Hg(NO3)2 2.-Arrange the following species in order of increasingoxidation number of the sulfur atom: a) H2S, b)S8, c) H2SO4, d)S2-, e) HS-, f) SO2, g) SO3 Give the oxidation numbers for the underlined atoms in thefollowing molecules: a)CsO2, b)CaC2, c) CO32-, d)C2O42-, e) Mg3N2, f)ZnO22-,g)NaBH4 1.- Characterize the following compounds as soluble orinsoluble in water: a) Ca3(PO4)2,b) K2S, c) CaCO3, d)AgClO3, e) Mn(OH)2, f) NH4ClO4, g)HgSO4, h) ZnSO4, i)Hg(NO3)2 2.-Arrange the following species in order of increasingoxidation number of the sulfur atom: a) H2S, b)S8, c) H2SO4, d)S2-, e) HS-, f) SO2, g) SO3 Give the oxidation numbers for the underlined atoms in thefollowing molecules: a)CsO2, b)CaC2, c) CO32-, d)C2O42-, e) Mg3N2, f)ZnO22-,g)NaBH4 Give the oxidation numbers for the underlined atoms in thefollowing molecules: a)CsO2, b)CaC2, c) CO32-, d)C2O42-, e) Mg3N2, f)ZnO22-,g)NaBH4

Explanation / Answer

  1.        a) Ca3(PO4) 2    it sisoluble in water.         b) K2 S       this is theionic compond.So all ionic are soluble in water.         c) CaCO3 soluble in water.          e)Mn(OH)2    soluble in water.           h)ZnSO4       soluble inwater .           i)Hg(NO3)2   2.   The order of increasing oxidation number of the Sulfur atom is S8,S2, HS-, H2S,SO3, SO2 .      Oxidation numbers a) Cs  -1/2, b) Ca   +1   c) C +4    d)C    +3    e)N -3    f) O -2   g)B -3 2.   The order of increasing oxidation number of the Sulfur atom is S8,S2, HS-, H2S,SO3, SO2 .      Oxidation numbers a) Cs  -1/2, b) Ca   +1   c) C +4    d)C    +3    e)N -3    f) O -2   g)B -3

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