Same chapter3 marksDifficulty: Medium
How is ethene prepared from ethanol in the laboratory? Write the equation and state the conditions.
Organic Chemistry
3 marksDifficulty: Medium
Write the IUPAC name and the structural formula of the first member of the alkyne homologous series, and state the type of bond between its carbon atoms.
Original Khojo Papers practice question — not from a past board paper.
Answer
The first member is ethyne, HC≡CH. The two carbon atoms are joined by a triple covalent bond.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Alkynes have the general formula CnH2n−2; for n = 2 this gives C2H2.
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