Chemistry
Give reasons for the following:
Sulphuric acid forms two types of salts with an alkali.
Sulphuric Acid
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Answer
Sulphuric acid forms two types of salts i.e., acid salt and normal salt with an alkali since it's basicity is two.
NaOH [insufficient] + H2SO4 ⟶ H2O + NaHSO4 [acid salt]
2NaOH [excess] + H2SO4 ⟶ 2H2O + Na2SO4 [normal salt]
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Related Questions
Match the conversions in column 'X' using sulphuric acid, with the type of chemical property of sulphuric acid A to E it represents in column 'Y'
X Y 1. Nitre → Nitric acid A: As an oxidising agent 2. Copper [II] oxide → Copper [II] sulphate B: As a dibasic acid 3. Copper → Copper [II] sulphate C: As an acid when dilute 4. Ethanol [ethyl alcohol] → Ethene D: As a least or non-volatile acid 5. Sodium hydroxide → Sodium bisulphate and sodium sulphate As a dehydrating agent. Select the correct substance from the substances A to J which react with the sulphuric acid to give the product 1 to 10. [State whether the acid used in each case is dilute or concentrated].
A : Iron
B : Sodium carbonate
C : Sodium chloride
D : Formic acid
E : Sodium nitrate
F : Sodium sulphite
G : Ethyl alcohol
H : Sodium sulphide
I : Sodium hydroxide (excess)
J : Hydrogen sulphide
- Product — Sulphur dioxide
- Product — Sulphur
- Product — Hydrogen
- Product — Hydrochloric acid
- Product — Sodium sulphate
- Product — Carbon dioxide
- Product — Carbon monoxide
- Product — Nitric acid
- Product — Hydrogen sulphide
- Product — Ethene
Give reasons for the following:
Conc. sulphuric acid is used as a laboratory reagent in the preparation of iodine from hydrogen iodide.
Give reasons for the following:
Barium chloride solution can be used to distinguish between dil. H2SO4 and dil HNO3.