Question 2BASES — Ions present in bases a. Alkali — dissociates yielding hydroxyl ions 16. Sodium hydroxideNaOH [aq.] ⇌ ............... + ...............17. Ammonium hydroxideNH4OH [aq.] ⇌ ............... + ...............b. Classification 18. Monoacidic base [Acidity = 1 ]KOH [aq.] ⇌ ............... + ...............19. Diacidic base [Acidity = 2]Cu(OH)2 [aq.] ⇌ ............... + ...............c. Preparation of bases 20. From metalsNa + O2 ⟶ ...............21. From metallic oxides and metalsK2O + H2O ⟶ ............... K + H2O ⟶ ............... + ...............22.From saltsAlCl3 + NaOH ⟶ ............... + ............... ↓ FeSO4 + NaOH ⟶ ............... + ............... ↓23. By thermal decompositionZnCO3 ⟶ ............... + ............... [g] Pb(NO3)2 ⟶ ............... + ...............[g] + .............. [g]c. Properties of bases 24. Neutralizes acidsPbO + HNO3 ⟶ ............... + ............... Fe(OH)2 + HCl ⟶ ............... + ...............Reaction with25. Metallic salt solutionCuCl2 + NaOH ⟶ ............... + ............... ↓ FeCl3 + NaOH ⟶ ............... + ............... ↓26. Ammonium saltsNH4Cl + NaOH ⟶ ............... + ............... + ............... [g] NH4Cl + Ca(OH)2 ⟶ ............... + ............... + ............... [g]

Question

Question 2BASES — Ions present in bases     a. Alkali — dissociates yielding hydroxyl ions     16. Sodium hydroxideNaOH [aq.] ⇌ ............... + ...............17. Ammonium hydroxideNH4OH [aq.] ⇌ ............... + ...............b. Classification     18. Monoacidic base [Acidity = 1 ]KOH [aq.] ⇌ ............... + ...............19. Diacidic base [Acidity = 2]Cu(OH)2 [aq.] ⇌ ............... + ...............c. Preparation of bases     20. From metalsNa + O2 ⟶ ...............21. From metallic oxides and metalsK2O + H2O ⟶ ...............   K + H2O ⟶ ............... + ...............22.From saltsAlCl3 + NaOH ⟶ ............... + ............... ↓   FeSO4 + NaOH ⟶ ............... + ............... ↓23. By thermal decompositionZnCO3 ⟶ ............... + ............... [g]   Pb(NO3)2 ⟶ ............... + ...............[g] + .............. [g]c. Properties of bases     24. Neutralizes acidsPbO + HNO3 ⟶ ............... + ...............   Fe(OH)2 + HCl ⟶ ............... + ...............Reaction with25. Metallic salt solutionCuCl2 + NaOH ⟶ ............... + ............... ↓   FeCl3 + NaOH ⟶ ............... + ............... ↓26. Ammonium saltsNH4Cl + NaOH ⟶ ............... + ............... + ............... [g]   NH4Cl + Ca(OH)2 ⟶ ............... + ............... + ............... [g]

Accepted Answer

BASES — Ions present in bases     a. Alkali — dissociates yielding hydroxyl ions     16. Sodium hydroxideNaOH [aq.] ⇌ Na+ + OH-17. Ammonium hydroxideNH4OH [aq.] ⇌ NH4+ + OH-b. Classification     18. Monoacidic base [Acidity = 1 ]KOH [aq.] ⇌ K+ + OH-19. Diacidic base [Acidity = 2]Cu(OH)2 [aq.] ⇌ Cu2+ + 2OH-c. Preparation of bases     20. From metals4Na + O2 ⟶ 2Na2O21. From metallic oxides and metalsK2O + H2O ⟶ 2KOH   2K + 2H2O ⟶ 2KOH + H222. From saltsAlCl3 + 3NaOH ⟶ 3NaCl + Al(OH)3 ↓   FeSO4 + 2NaOH ⟶ Na2SO4 + Fe(OH)2 ↓23. By thermal decompositionZnCO3 ⟶ ZnO + CO2 [g]   2Pb(NO3)2 ⟶ 2PbO + 4NO2 [g] + O2 [g]c. Properties of bases     24. Neutralizes acidsPbO + 2HNO3 ⟶ Pb(NO3)2 + H2O   Fe(OH)2 + 2HCl ⟶ FeCl2 + 2H2OReaction with25. Metallic salt solutionCuCl2 + 2NaOH ⟶ 2NaCl + Cu(OH)2 ↓   FeCl3 + 3NaOH ⟶ 3NaCl + Fe(OH)3 ↓26. Ammonium saltsNH4Cl + NaOH ⟶ NaCl + H2O + NH3 [g]   2NH4Cl + Ca(OH)2 ⟶ CaCl2 + 2H2O + 2NH3 [g]

BASES — Ions present in bases
a. Alkali — dissociates yielding hydroxyl ions
16. Sodium hydroxide	NaOH [aq.] ⇌ ............... + ...............
17. Ammonium hydroxide	NH₄OH [aq.] ⇌ ............... + ...............
b. Classification
18. Monoacidic base [Acidity = 1 ]	KOH [aq.] ⇌ ............... + ...............
19. Diacidic base [Acidity = 2]	Cu(OH)₂ [aq.] ⇌ ............... + ...............
c. Preparation of bases
20. From metals	Na + O₂ ⟶ ...............
21. From metallic oxides and metals	K₂O + H₂O ⟶ ...............
	K + H₂O ⟶ ............... + ...............
22.From salts	AlCl₃ + NaOH ⟶ ............... + ............... ↓
	FeSO₄ + NaOH ⟶ ............... + ............... ↓
23. By thermal decomposition	ZnCO₃ ⟶ ............... + ............... [g]
	Pb(NO₃)₂ ⟶ ............... + ...............[g] + .............. [g]
c. Properties of bases
24. Neutralizes acids	PbO + HNO₃ ⟶ ............... + ...............
	Fe(OH)₂ + HCl ⟶ ............... + ...............
Reaction with
25. Metallic salt solution	CuCl₂ + NaOH ⟶ ............... + ............... ↓
	FeCl₃ + NaOH ⟶ ............... + ............... ↓
26. Ammonium salts	NH₄Cl + NaOH ⟶ ............... + ............... + ............... [g]
	NH₄Cl + Ca(OH)₂ ⟶ ............... + ............... + ............... [g]

BASES — Ions present in bases
a. Alkali — dissociates yielding hydroxyl ions
16. Sodium hydroxide	NaOH [aq.] ⇌ *Na⁺* + *OH^-*
17. Ammonium hydroxide	NH₄OH [aq.] ⇌ *NH₄⁺* + *OH^-*
b. Classification
18. Monoacidic base [Acidity = 1 ]	KOH [aq.] ⇌ K⁺ + *OH^-*
19. Diacidic base [Acidity = 2]	Cu(OH)₂ [aq.] ⇌ *Cu²⁺* + *2OH^-*
c. Preparation of bases
20. From metals	4Na + O₂ ⟶ *2Na₂O*
21. From metallic oxides and metals	K₂O + H₂O ⟶ *2KOH*
	2K + 2H₂O ⟶ *2KOH* + H₂
22. From salts	AlCl₃ + 3NaOH ⟶ *3NaCl* + *Al(OH)₃* ↓
	FeSO₄ + 2NaOH ⟶ *Na₂SO₄* + *Fe(OH)₂* ↓
23. By thermal decomposition	ZnCO₃ ⟶ *ZnO* + *CO₂* [g]
	2Pb(NO₃)₂ ⟶ *2PbO* + *4NO₂* [g] + O₂ [g]
c. Properties of bases
24. Neutralizes acids	PbO + 2HNO₃ ⟶ *Pb(NO₃)₂* + *H₂O*
	Fe(OH)₂ + 2HCl ⟶ *FeCl₂* + *2H₂O*
Reaction with
25. Metallic salt solution	CuCl₂ + 2NaOH ⟶ *2NaCl* + *Cu(OH)₂* ↓
	FeCl₃ + 3NaOH ⟶ *3NaCl* + *Fe(OH)₃* ↓
26. Ammonium salts	NH₄Cl + NaOH ⟶ *NaCl* + *H₂O* + *NH₃* [g]
	2NH₄Cl + Ca(OH)₂ ⟶ *CaCl₂* + *2H₂O* + *2NH₃* [g]

Acids, Bases and Salts — Question 2

Question 2