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Organic Chemistry — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryOrganic Chemistry3 Marks
Question
Identify the term or substance based on the descriptions given below :
(i) Ice like crystals formed on cooling an organic acid sufficiently.
(ii) Hydrocarbon containing a triple bond used for welding purposes.
(iii) The property by virtue of which the compound has the same molecular formula but different structural formulae.
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Answer

(i) Glacial acetic acid, (ii) Ethyne or acetylene, (iii) Isomerism

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