Chemical properties of sulphuric acid Sulphuric Acid | Complete and balance the equations ---------------|----------------------------------- As an acid [dilute] | 4\. Forms hydronium ions in aq. soln. | H₂SO₄ + 2H₂O ............... + SO₄^2- Reaction with | 5\. Active metal [zinc] | Zn + H₂SO₄ ............... + ............... [g] 6\. Base [Sodium oxide] | Na₂O + H₂SO₄ ............... + ............... 7\. Base [Sodium hydroxide] | NaOH + H₂SO₄ ............... + ............... 8\. Carbonate [Potassium carbonate]| K₂CO₃ + H₂SO₄ ............... + ............... + ............... [g] 9\. Sulphite [Sodium sulphite] | Na₂SO₃ + H₂SO₄ ............... + ............... + ............... [g] 10\. Bisulphite [Sodium bisulphite] |NaHSO₃ + H₂SO₄ ............... + ............... + ............... [g] 11\. Sulphide [Iron [II] sulphide]| FeS + H₂SO₄ ............... + ............... As a dibasic acid | 12\. Basicity is two | H₂SO₄ ............... + SO₄^2- 13\. Dissociates in two steps | H₂SO₄ ............... + ...............
HSO₄^- ............... + SO₄^2- 14\. Forms two types of salts
- acid salt
- Normal salt | NaOH + H₂SO₄ ............... + ...............
2NaOH + H₂SO₄ ............... + ............... As a non - volatile acid [conc.]
Displaces volatile acid from salt | 15\. Sodium chloride | NaCl + H₂SO₄ ............... + ............... 16\. Sodium nitrate| NaNO₃ + H₂SO₄ ............... + ............... As an oxidising agent [conc. acid]
Oxidation of | 17\. Carbon | C + H₂SO₄ ............... + H₂O + ............... 18\. Sulphur | S + H₂SO₄ ............... + H₂O 19\. Phosphorous| P + H₂SO₄ ............... + H₂O + ............... 20\. Copper| Cu + H₂SO₄ ............... + H₂O + ............... 21\. Zinc| Zn + H₂SO₄ ............... + H₂O + ............... 22\. Hydrogen iodide| HI + H₂SO₄ ............... + H₂O + ............... 23\. Hydrogen sulphide | H₂S + H₂SO₄ ............... + H₂O + ............... As a dehydrating agent [conc. acid] | 24\. Glucose | C₆H₁₂O₆ ............... + H₂O 25\. Sucrose | C₁₂H₂₂O₁₁ ............... + H₂O 26\. Cellulose | [C₆H₁₀O₅]_n ............... + H₂O 27\. Formic acid | H.COOH ............... + H₂O 28\. Oxalic acid | H₂C₂O₄ ............... + ............... + H₂O 29\. Hydrated copper sulphate | CuSO₄.5H₂O ............... + H₂O

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Sulphuric Acid | Complete and balance the equations ---------------|----------------------------------- As an acid [dilute] | 4\. Forms hydronium ions in aq. soln. | H₂SO₄ + 2H₂O 2H₃O⁺ + SO₄^2- Reaction with | 5\. Active metal [zinc] | Zn + H₂SO₄ ZnSO₄ + H₂ [g] 6\. Base [Sodium oxide] | Na₂O + H₂SO₄ Na₂SO₄ + H₂O 7\. Base [Sodium hydroxide] | 2NaOH + H₂SO₄ Na₂SO₄ + 2H₂O 8\. Carbonate [Potassium carbonate]| K₂CO₃ + H₂SO₄ K₂SO₄ + H₂O + CO₂ [g] 9\. Sulphite [Sodium sulphite] | Na₂SO₃ + H₂SO₄ Na₂SO₄ + H₂O + SO₂ [g] 10\. Bisulphite [Sodium bisulphite] |2NaHSO₃ + H₂SO₄ Na₂SO₄ + 2H₂O + 2SO₂ [g] 11\. Sulphide [Iron [II] sulphide]| FeS + H₂SO₄ FeSO₄ + H₂S As a dibasic acid | 12\. Basicity is two | H₂SO₄ 2H⁺ + SO₄^2- 13\. Dissociates in two steps | H₂SO₄ H⁺ + HSO₄^-
HSO₄^- H⁺ + SO₄^2- 14\. Forms two types of salts
- acid salt
- Normal salt | NaOH (insufficient) + H₂SO₄ NaHSO₄ + H₂O
2NaOH (excess) + H₂SO₄ Na₂SO₄ + 2H₂O As a non - volatile acid [conc.]
Displaces volatile acid from salt | 15\. Sodium chloride | NaCl + H₂SO₄ [conc.] NaHSO₄ + HCl (<200°C) 16\. Sodium nitrate| NaNO₃ + H₂SO₄ [conc.] NaHSO₄ + HNO₃ (<200°C) As an oxidising agent [conc. acid]
Oxidation of | 17\. Carbon | C + 2H₂SO₄ [conc.] CO₂ + 2H₂O + 2SO₂ 18\. Sulphur | S + 2H₂SO₄ [conc.] 3SO₂ + 2H₂O 19\. Phosphorous| 2P + 5H₂SO₄ [conc.] 2H₃PO₄ + 2H₂O + 5SO₂ 20\. Copper| Cu + 2H₂SO₄ [conc.] CuSO₄ + 2H₂O + SO₂ 21\. Zinc| Zn + 2H₂SO₄ [conc.] ZnSO₄ + 2H₂O + SO₂ 22\. Hydrogen iodide| 2HI + H₂SO₄ [conc.] I₂ + 2H₂O + SO₂ 23\. Hydrogen sulphide | H₂S + H₂SO₄ [conc.] S + 2H₂O + SO₂ As a dehydrating agent [conc. acid] | 24\. Glucose | C₆H₁₂O₆ + H₂SO₄ [conc.] 6C + 6H₂O 25\. Sucrose | C₁₂H₂₂O₁₁ + H₂SO₄ [conc.] 12C + 11H₂O 26\. Cellulose | [C₆H₁₀O₅]_n + H₂SO₄ [conc.] 6[C]_n + 5[H₂O]_n 27\. Formic acid | H.COOH + H₂SO₄ [conc.] CO + H₂O 28\. Oxalic acid | H₂C₂O₄ + H₂SO₄ [conc.] CO + CO₂ + H₂O 29\. Hydrated copper sulphate | CuSO₄.5H₂O + H₂SO₄ [conc.] CuSO₄ + 5H₂O

Sulphuric Acid	Complete and balance the equations
As an acid [dilute]
4. Forms hydronium ions in aq. soln.	H₂SO₄ + 2H₂O ⟶ …………… + SO₄^2-
Reaction with
5. Active metal [zinc]	Zn + H₂SO₄ ⟶ …………… + …………… [g]
6. Base [Sodium oxide]	Na₂O + H₂SO₄ ⟶ …………… + ……………
7. Base [Sodium hydroxide]	NaOH + H₂SO₄ ⟶ …………… + ……………
8. Carbonate [Potassium carbonate]	K₂CO₃ + H₂SO₄ ⟶ …………… + …………… + …………… [g]
9. Sulphite [Sodium sulphite]	Na₂SO₃ + H₂SO₄ ⟶ …………… + …………… + …………… [g]
10. Bisulphite [Sodium bisulphite]	NaHSO₃ + H₂SO₄ ⟶ …………… + …………… + …………… [g]
11. Sulphide [Iron [II] sulphide]	FeS + H₂SO₄ ⟶ …………… + ……………
As a dibasic acid
12. Basicity is two	H₂SO₄ ⇌ …………… + SO₄^2-
13. Dissociates in two steps	H₂SO₄ ⇌ …………… + …………… HSO₄^- ⇌ …………… + SO₄^2-
14. Forms two types of salts - acid salt - Normal salt	NaOH + H₂SO₄ ⟶ …………… + …………… 2NaOH + H₂SO₄ ⟶ …………… + ……………
As a non - volatile acid [conc.] Displaces volatile acid from salt
15. Sodium chloride	NaCl + H₂SO₄ ⟶ …………… + ……………
16. Sodium nitrate	NaNO₃ + H₂SO₄ ⟶ …………… + ……………
As an oxidising agent [conc. acid] Oxidation of
17. Carbon	C + H₂SO₄ ⟶ …………… + H₂O + ……………
18. Sulphur	S + H₂SO₄ ⟶ …………… + H₂O
19. Phosphorous	P + H₂SO₄ ⟶ …………… + H₂O + ……………
20. Copper	Cu + H₂SO₄ ⟶ …………… + H₂O + ……………
21. Zinc	Zn + H₂SO₄ ⟶ …………… + H₂O + ……………
22. Hydrogen iodide	HI + H₂SO₄ ⟶ …………… + H₂O + ……………
23. Hydrogen sulphide	H₂S + H₂SO₄ ⟶ …………… + H₂O + ……………
As a dehydrating agent [conc. acid]
24. Glucose	C₆H₁₂O₆ ⟶ …………… + H₂O
25. Sucrose	C₁₂H₂₂O₁₁ ⟶ …………… + H₂O
26. Cellulose	[C₆H₁₀O₅]_n ⟶ …………… + H₂O
27. Formic acid	H.COOH ⟶ …………… + H₂O
28. Oxalic acid	H₂C₂O₄ ⟶ …………… + …………… + H₂O
29. Hydrated copper sulphate	CuSO₄.5H₂O ⟶ …………… + H₂O

Sulphuric Acid	Complete and balance the equations
As an acid [dilute]
4. Forms hydronium ions in aq. soln.	H₂SO₄ + 2H₂O ⟶ *2H₃O⁺* + SO₄^2-
Reaction with
5. Active metal [zinc]	Zn + H₂SO₄ ⟶ *ZnSO₄* + H₂ [g]
6. Base [Sodium oxide]	Na₂O + H₂SO₄ ⟶ *Na₂SO₄* + *H₂O*
7. Base [Sodium hydroxide]	2NaOH + H₂SO₄ ⟶ *Na₂SO₄* + *2H₂O*
8. Carbonate [Potassium carbonate]	K₂CO₃ + H₂SO₄ ⟶ *K₂SO₄* + *H₂O* + *CO₂* [g]
9. Sulphite [Sodium sulphite]	Na₂SO₃ + H₂SO₄ ⟶ *Na₂SO₄* + *H₂O* + *SO₂* [g]
10. Bisulphite [Sodium bisulphite]	2NaHSO₃ + H₂SO₄ ⟶ *Na₂SO₄* + *2H₂O* + *2SO₂* [g]
11. Sulphide [Iron [II] sulphide]	FeS + H₂SO₄ ⟶ *FeSO₄* + *H₂S*
As a dibasic acid
12. Basicity is two	H₂SO₄ ⇌ *2H⁺* + SO₄^2-
13. Dissociates in two steps	H₂SO₄ ⇌ H⁺ + HSO₄^- HSO₄^- ⇌ H⁺ + SO₄^2-
14. Forms two types of salts - acid salt - Normal salt	NaOH (insufficient) + H₂SO₄ ⟶ *NaHSO₄* + *H₂O* 2NaOH (excess) + H₂SO₄ ⟶ *Na₂SO₄* + *2H₂O*
As a non - volatile acid [conc.] Displaces volatile acid from salt
15. Sodium chloride	NaCl + H₂SO₄ [conc.] ⟶ *NaHSO₄* + *HCl* (<200°C)
16. Sodium nitrate	NaNO₃ + H₂SO₄ [conc.] ⟶ *NaHSO₄* + *HNO₃* (<200°C)
As an oxidising agent [conc. acid] Oxidation of
17. Carbon	C + 2H₂SO₄ [conc.] ⟶ *CO₂* + 2H₂O + *2SO₂*
18. Sulphur	S + 2H₂SO₄ [conc.] ⟶ *3SO₂* + 2H₂O
19. Phosphorous	2P + 5H₂SO₄ [conc.] ⟶ *2H₃PO₄* + 2H₂O + *5SO₂*
20. Copper	Cu + 2H₂SO₄ [conc.] ⟶ *CuSO₄* + 2H₂O + *SO₂*
21. Zinc	Zn + 2H₂SO₄ [conc.] ⟶ *ZnSO₄* + 2H₂O + *SO₂*
22. Hydrogen iodide	2HI + H₂SO₄ [conc.] ⟶ I₂ + 2H₂O + *SO₂*
23. Hydrogen sulphide	H₂S + H₂SO₄ [conc.] ⟶ S + 2H₂O + *SO₂*
As a dehydrating agent [conc. acid]
24. Glucose	C₆H₁₂O₆ + H₂SO₄ [conc.] ⟶ 6C + 6H₂O
25. Sucrose	C₁₂H₂₂O₁₁ + H₂SO₄ [conc.] ⟶ *12C* + 11H₂O
26. Cellulose	[C₆H₁₀O₅]_n + H₂SO₄ [conc.] ⟶ *6[C]_n* + 5[H₂O]_n
27. Formic acid	H.COOH + H₂SO₄ [conc.] ⟶ CO + H₂O
28. Oxalic acid	H₂C₂O₄ + H₂SO₄ [conc.] ⟶ CO + *CO₂* + H₂O
29. Hydrated copper sulphate	CuSO₄.5H₂O + H₂SO₄ [conc.] ⟶ *CuSO₄* + 5H₂O

Sulphuric Acid	Complete and balance the equations
Manufacture-Contact process
1. Step 1 [sulphur or pyrite burner]	S + O₂ ⟶ …………… ; FeS₂ + O₂ ⟶ …………… + ……………
2. Step 2 [contact chamber]	SO₂ + O₂ ⟶ ……………
3. Step 3 [absorbtion tower]	SO₃ + H₂SO₄ ⟶ …………… ; …………… + H₂O ⟶ 2H₂SO₄

Chemistry

Sulphuric Acid

Answer

Related Questions

State the substance/s reacted with dilute or concentrated sulphuric acid to form the following gases:
(i) Hydrogen
(ii) Carbon dioxide.
State whether the acid used in each case is dilute or concentrated.

Write the equations for the lab. preparation of:
(i) Na₂SO₄ using dil. H₂SO₄,
(ii) PbSO₄ using dil. H₂SO₄

State the name of the process by which H₂SO₄ is manufactured. Name the catalyst used.