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Study of Compounds-I Hydrogen Chloride — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryStudy of Compounds-I Hydrogen Chloride2 Marks
Question
State one appropriate observation of the following:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
✓

Answer

Ethene gas decolourises the purple colour of $KMnO _4$, whereas ethane does not decolourise $KMnO _4$ solution.

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