Question 3SALTS — Ions present in salts 27a. Normal salt [formation]NaOH [excess] + H2SO4 ⟶ ............... + H2O27b. Acid salt [formation]NaOH [insufficient] + H2SO4 ⟶ ............... + H2OPreparation of salts — General methods Direct combination — Synthesis 28. Iron and Chloride — salt iron [III] ChlorideFe + Cl2 ⟶ ...............29. Zinc and sulphur — salt zinc sulphideZn + S ⟶ ...............Displacement — Action of dilute acid on active metals 30. Iron — salt iron [II] sulphateFe + H2SO4 ⟶ ............... + ............... [g]31. Zinc — salt zinc sulphateZn + H2SO4 ⟶ ............... + ............... [g]32. Magnesium — salt magnesium chlorideMg + HCl ⟶ ............... + ............... [g]Precipitation — by double decomposition of two salt solutions 33. Lead nitrate and sodium chloridePb(NO3)2 + NaCl ⟶ ............... + ............... ↓34. Calcium chloride and sodium carbonateCaCl2 + Na2CO3 ⟶ ............... + ............... ↓Neutralization — Action of dilute acid on insoluble base 35. Oxide — salt copper sulphateCuO + H2SO4 ⟶ ............... + ...............36. Hydroxide — salt copper sulphateCu(OH)2 + H2SO4 ⟶ ............... + ...............Neutralization — [Titration] Action of dilute acid on an alkali 37. Hydroxide — salt sodium chlorideNaOH + HCl ⟶ ............... + ...............38. Hydroxide — salt ammonium chlorideNH4OH + HCl ⟶ ............... + ...............Action of dilute acid on carbonate & bicarbonate 39. Carbonate — salt lead nitratePbCO3 + HNO3 ⟶ ............... + ............... + ............... [g]40. Carbonate — salt copper chlorideCuCO3 + HCl ⟶ ............... + ............... + ............... [g]41. Bicarbonate — salt potassium sulphateKHCO3 + H2SO4 ⟶ ............... + ............... + ............... [g]

Question

Question 3SALTS — Ions present in salts   27a. Normal salt [formation]NaOH [excess] + H2SO4 ⟶ ............... + H2O27b. Acid salt [formation]NaOH [insufficient] + H2SO4 ⟶ ............... + H2OPreparation of salts — General methods   Direct combination — Synthesis   28. Iron and Chloride — salt iron [III] ChlorideFe + Cl2 ⟶ ...............29. Zinc and sulphur — salt zinc sulphideZn + S ⟶ ...............Displacement — Action of dilute acid on active metals   30. Iron — salt iron [II] sulphateFe + H2SO4 ⟶ ............... + ............... [g]31. Zinc — salt zinc sulphateZn + H2SO4 ⟶ ............... + ............... [g]32. Magnesium — salt magnesium chlorideMg + HCl ⟶ ............... + ............... [g]Precipitation — by double decomposition of two salt solutions   33. Lead nitrate and sodium chloridePb(NO3)2 + NaCl ⟶ ............... + ............... ↓34. Calcium chloride and sodium carbonateCaCl2 + Na2CO3 ⟶ ............... + ............... ↓Neutralization — Action of dilute acid on insoluble base   35. Oxide — salt copper sulphateCuO + H2SO4 ⟶ ............... + ...............36. Hydroxide — salt copper sulphateCu(OH)2 + H2SO4 ⟶ ............... + ...............Neutralization — [Titration] Action of dilute acid on an alkali   37. Hydroxide — salt sodium chlorideNaOH + HCl ⟶ ............... + ...............38. Hydroxide — salt ammonium chlorideNH4OH + HCl ⟶ ............... + ...............Action of dilute acid on carbonate & bicarbonate   39. Carbonate — salt lead nitratePbCO3 + HNO3 ⟶ ............... + ............... + ............... [g]40. Carbonate — salt copper chlorideCuCO3 + HCl ⟶ ............... + ............... + ............... [g]41. Bicarbonate — salt potassium sulphateKHCO3 + H2SO4 ⟶ ............... + ............... + ............... [g]

Accepted Answer

SALTS — Ions present in salts   27a. Normal salt [formation]2NaOH [excess] + H2SO4 ⟶ Na2SO4 + 2H2O27b. Acid salt [formation]NaOH [insufficient] + H2SO4 ⟶ NaHSO4 + H2OPreparation of salts — General methods   Direct combination — Synthesis   28. Iron and Chloride — salt iron [III] Chloride2Fe + 3Cl2 ⟶ 2FeCl329. Zinc and sulphur — salt zinc sulphideZn + S ⟶ ZnSDisplacement — Action of dilute acid on active metals   30. Iron — salt iron [II] sulphateFe + H2SO4 ⟶ FeSO4 + H2 [g]31. Zinc — salt zinc sulphateZn + H2SO4 ⟶ ZnSO4 + H2 [g]32. Magnesium — salt magnesium chlorideMg + 2HCl ⟶ MgCl2 + H2 [g]Precipitation — by double decomposition of two salt solutions   33. Lead nitrate and sodium chloridePb(NO3)2 + 2NaCl ⟶ 2NaNO3 + PbCl2 ↓34. Calcium chloride and sodium carbonateCaCl2 + Na2CO3 ⟶ 2NaCl + CaCO3 ↓Neutralization — Action of dilute acid on insoluble base   35. Oxide — salt copper sulphateCuO + H2SO4 ⟶ CuSO4 + H2O36. Hydroxide — salt copper sulphateCu(OH)2 + H2SO4 ⟶ CuSO4 + 2H2ONeutralization — [Titration] Action of dilute acid on an alkali   37. Hydroxide — salt sodium chlorideNaOH + HCl ⟶ NaCl + H2O38. Hydroxide — salt ammonium chlorideNH4OH + HCl ⟶ NH4Cl + H2OAction of dilute acid on carbonate & bicarbonate   39. Carbonate — salt lead nitratePbCO3 + 2HNO3 ⟶ Pb(NO3)2 + H2O + CO2 [g]40. Carbonate — salt copper chlorideCuCO3 + 2HCl ⟶ CuCl2 + H2O + CO2 [g]41. Bicarbonate — salt potassium sulphate2KHCO3 + H2SO4 ⟶ K2SO4 + 2H2O + 2CO2 [g]

SALTS — Ions present in salts
27a. Normal salt [formation]	2NaOH [excess] + H₂SO₄ ⟶ *Na₂SO₄* + 2H₂O
27b. Acid salt [formation]	NaOH [insufficient] + H₂SO₄ ⟶ *NaHSO₄* + H₂O
Preparation of salts — General methods
Direct combination — Synthesis
28. Iron and Chloride — salt iron [III] Chloride	2Fe + 3Cl₂ ⟶ *2FeCl₃*
29. Zinc and sulphur — salt zinc sulphide	Zn + S ⟶ *ZnS*
Displacement — Action of dilute acid on active metals
30. Iron — salt iron [II] sulphate	Fe + H₂SO₄ ⟶ *FeSO₄* + H₂ [g]
31. Zinc — salt zinc sulphate	Zn + H₂SO₄ ⟶ *ZnSO₄* + H₂ [g]
32. Magnesium — salt magnesium chloride	Mg + 2HCl ⟶ *MgCl₂* + H₂ [g]
Precipitation — by double decomposition of two salt solutions
33. Lead nitrate and sodium chloride	Pb(NO₃)₂ + 2NaCl ⟶ *2NaNO₃* + *PbCl₂* ↓
34. Calcium chloride and sodium carbonate	CaCl₂ + Na₂CO₃ ⟶ *2NaCl* + *CaCO₃* ↓
Neutralization — Action of dilute acid on insoluble base
35. Oxide — salt copper sulphate	CuO + H₂SO₄ ⟶ *CuSO₄* + *H₂O*
36. Hydroxide — salt copper sulphate	Cu(OH)₂ + H₂SO₄ ⟶ *CuSO₄* + *2H₂O*
Neutralization — [Titration] Action of dilute acid on an alkali
37. Hydroxide — salt sodium chloride	NaOH + HCl ⟶ *NaCl* + *H₂O*
38. Hydroxide — salt ammonium chloride	NH₄OH + HCl ⟶ *NH₄Cl* + *H₂O*
Action of dilute acid on carbonate & bicarbonate
39. Carbonate — salt lead nitrate	PbCO₃ + 2HNO₃ ⟶ *Pb(NO₃)₂* + *H₂O* + *CO₂* [g]
40. Carbonate — salt copper chloride	CuCO₃ + 2HCl ⟶ *CuCl₂* + *H₂O* + *CO₂* [g]
41. Bicarbonate — salt potassium sulphate	2KHCO₃ + H₂SO₄ ⟶ *K₂SO₄* + *2H₂O* + *2CO₂* [g]

SALTS — Ions present in salts
27a. Normal salt [formation]	NaOH [excess] + H₂SO₄ ⟶ ............... + H₂O
27b. Acid salt [formation]	NaOH [insufficient] + H₂SO₄ ⟶ ............... + H₂O
Preparation of salts — General methods
Direct combination — Synthesis
28. Iron and Chloride — salt iron [III] Chloride	Fe + Cl₂ ⟶ ...............
29. Zinc and sulphur — salt zinc sulphide	Zn + S ⟶ ...............
Displacement — Action of dilute acid on active metals
30. Iron — salt iron [II] sulphate	Fe + H₂SO₄ ⟶ ............... + ............... [g]
31. Zinc — salt zinc sulphate	Zn + H₂SO₄ ⟶ ............... + ............... [g]
32. Magnesium — salt magnesium chloride	Mg + HCl ⟶ ............... + ............... [g]
Precipitation — by double decomposition of two salt solutions
33. Lead nitrate and sodium chloride	Pb(NO₃)₂ + NaCl ⟶ ............... + ............... ↓
34. Calcium chloride and sodium carbonate	CaCl₂ + Na₂CO₃ ⟶ ............... + ............... ↓
Neutralization — Action of dilute acid on insoluble base
35. Oxide — salt copper sulphate	CuO + H₂SO₄ ⟶ ............... + ...............
36. Hydroxide — salt copper sulphate	Cu(OH)₂ + H₂SO₄ ⟶ ............... + ...............
Neutralization — [Titration] Action of dilute acid on an alkali
37. Hydroxide — salt sodium chloride	NaOH + HCl ⟶ ............... + ...............
38. Hydroxide — salt ammonium chloride	NH₄OH + HCl ⟶ ............... + ...............
Action of dilute acid on carbonate & bicarbonate
39. Carbonate — salt lead nitrate	PbCO₃ + HNO₃ ⟶ ............... + ............... + ............... [g]
40. Carbonate — salt copper chloride	CuCO₃ + HCl ⟶ ............... + ............... + ............... [g]
41. Bicarbonate — salt potassium sulphate	KHCO₃ + H₂SO₄ ⟶ ............... + ............... + ............... [g]

Acids, Bases and Salts — Question 3

Question 3