ICSE Class 10 Answered
How will the
action of dilute hydrochloric acid on sodium carbonate and sodium sulphite enable you to distinguish between these two
compounds?
Asked by Topperlearning User | 17 Dec, 2015, 03:09: PM
Expert Answer
When hydrochloric acid reacts with sodium carbonate it produces sodium chloride and carbon dioxide with brisk effervescence.
Na2CO3 +2HCl →2NaCl + H2O + CO2
But when hydrochloric acid reacts with sodium sulphite, it forms sodium chloride and sulphur dioxide which gives smell of burning sulphur.
Na2SO3 + 2HCl → 2NaCl + H2O + SO2
Answered by | 17 Dec, 2015, 05:09: PM
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