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प्रश्न
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Give a chemical test to distinguish between:
Sodium nitrate and sodium sulphite [using dilute sulphuric acid].
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उत्तर
Sodium sulphite reacts with dilute H2SO4 to produce SO2 gas.
\[\ce{Na2SO3 + H2SO4 -> Na2SO4 + H2O + SO2 ^}\]
Sodium nitrate does not react with dilute H2SO4, so no gas is evolved.
\[\ce{NaNO3 + dil. H2SO4 -> No visible reaction}\]
संबंधित प्रश्न
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Name the catalyst used in the process.
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
