NOMENCLATURE EXERCISE Answer Key

# Question Final Answer Only

1 calcium iodide formula CaCl2

2 magnesium nitrate formula Mg(NO3)2 ferrous acetate formula, 3 Fe(C H O ) iron (II) acetate new name 2 3 2 2

4 hydrogen sulfide (g) formula H2S (g)

5 calcium hydride formula CaH2 lead (IV) oxide formula and 6 PbO plumbic oxide old name 2 cuprous sulfide formula and 7 Cu S copper (II) sulfide new name 2 ammonia (g) formula and 8 NH3(g); NH3(aq) is called ammonium hydroxide name of NH3(aq)

9 aluminum acetate formula Al(C2H3O2)3

10 potassium chromate formula K2CrO4

11 hydrogen bromide (g) formula HBr(g) iron (III) iodide formula and 12 FeI ferric iodide old name 3 lead(II) chlorate formula and 13 Pb(ClO ) plumbous chlorate old name 3 2 stannous fluoride formula and 14 SnF tin (II) fluoride new name 2 plumbic sulfide formula and 15 PbS lead (IV) sulfide new name 2

16 nickel sulfate formula NiSO4 manganese(II) oxalate formula 17 MnC O manganous oxalate and old name 2 4

18 carbon tetrachloride formula CCl4 tetraphosphorus decaoxide 19 P O formula 4 10 manganese(II) dichromate 20 MnCr O manganous dichromate formula and old name 2 7

21 ammonium sulfate formula (NH4)2SO4 mercurous sulfate formula and 22 Hg SO mercury (I) sulfate new name 2 4 mercurous bisulfate formula 23 Hg (HSO ) and new name 2 4 2 mercuric sulfate formula and 24 HgSO new name 4 mercuric bisulfate formula and 25 Hg(HSO ) new name 4 2

26 lithium chlorate formula LiClO3 stannic sulfide formula and 27 SnS tin (IV) sulfide new name 2

28 sulfur dioxide formula SO2

29 sodium chromate formula Na2CrO4 manganese(III) permanganate 30 Mn(MnO ) formula and old name 4

31 carbon disulfide formula CS2 sodium dihydrogen phosphate 32 NaH PO formula 2 4 33 silver cyanide formula AgCN

34 lithium cyanate formula LiOCN

35 barium nitride formula Ba3N2

36 aluminum oxalate formula Al2(C2O4)3

37 zinc nitrite formula Zn(NO2)2

38 hydrogen fluoride (g) formula HF(g)

39 potassium hydride formula KH cupric sulfate formula and new 40 Cu SO copper (I) sulfate name 2 4 mercurous phosphate formula 41 (Hg ) (PO ) mercury (I) phosphate and new name 2 3 4 2 mercuric phosphate formula 42 Hg (PO ) mercury (II) phosphate and new name 3 4 2 cobalt (II) hydroxide formula 43 Co(OH) cobaltous hydroxide and old name 2

44 gold (I) phosphide formula Au3P sodium hydrogen phosphate 45 Na HPO formula 2 4

46 ammonium phosphate formula (NH4)3PO4

47 calcium chlorate formula Ca(ClO3)2

48 disulfur dichloride formula S2Cl2

49 magnesium hydroxide formula Mg(OH)2

50 dinitrogen pentoxide formula N2O5

51 nickel carbonate formula NiCO3 chromium (III) acetate formula 52 Cr(C H O ) chromic acetate and old name 2 3 2 3 chromium (II) phosphide 53 Cr P formula, old name 3 2 plumbic dichromate formula 54 Pb(Cr O ) lead (IV) dichromate and new name 2 7 2 stannous bicarbonate formula 55 Sn(HCO ) tin (II) hydrogen carbonate and new name 3 2 stannic bisulfite formula and 56 Sn(HSO ) tin (II) hydrogen sulfite new name 3 4

57 sulfur trioxide (g) formula SO3(g)

2 58 sulfite ion formula SO 3

59 lithium permanganate formula LiMnO4 tin (IV) sulfite formula and old 60 Sn(SO ) stannic sulfate name 3 2 NO 61 2 nitrogen dioxide name N O 62 2 4 dinitrogen tetraoxide name (NH ) C O 63 4 2 2 4 ammonium oxalate name KCN 64 potassium cyanide name KOCN 65 potassium cyanate name SF 66 6 sulfur hexafluoride name CO 67 carbon monoxide name CO 68 2 carbon dioxide name HF (g) 69 hydrogen fluoride name HCl (g) 70 hydrogen chloride name HBr (aq) 71 hydrobromic acid name HI (aq) 72 hydroiodic acid name Cu PO 73 3 4 copper (I) phosphate cuprous phosphate new name and old name AgH PO 74 2 4 silver dihydrogen phosphate argentous dihydrogen phosphate new name and old name Sn(HSO ) 75 4 2 tin (II) hydrogen sulfate stannous hydrogen sulfate new name and old name Cu SO 76 2 3 copper (I) sulfite cuprous sulfite new name and old name Cu(HSO ) 77 3 2 copper (II) hydrogen sulfite cupric hydrogen sulfite new name and old name Fe(HCO ) 78 3 2 iron (II) hydrogen carbonate ferrous hydrogen carbonate new name and old name Ba(OH) 79 2 barium hydroxide name Pb(MnO ) 80 4 4 lead (IV) permanganate plumbic permanganate new name and old name Hg(C1O) 81 2 mercury (II) hypochlorite mercuric hypochlorite new name and old name Ni(NO ) 82 3 2 nickel (II) nitrate name Co(NO ) 83 2 2 cobalt (II) nitrite cobaltous nitrite new name and old name CrS 84 chromium (II) sulfide chromous sulfide new name and old name Cr (SO ) 85 2 4 3 chromium (III) sulfate chromic sulfate new name and old name MnO 86 manganese (II) oxide manganous oxide new name and old name Mn O 87 2 3 manganese (III) oxide manganic oxide new name and old name BaCl ∙2H O 88 2 2 barium chloride dihydrate name