ICSE BoardEnglish MediumSTD 10Chemistry11.4 Alkynes3 Marks
Question
Write the structural formulae and IUPAC name of the second and third homologues.
✓
Answer
Structural formulae and IUPAC name of Second Homologues: Propyne $\begin{array}{cc} \ce{H}\phantom{.......}\\ |\phantom{.......}\\ \ce{H-C-C≡C-H}\\ |\phantom{.......}\\ \ce{H}\phantom{.......}\\ \end{array}$ Structural formulae and IUPAC name of third homologues: Butyne $\begin{array}{cc} \phantom{...............}\ce{H}\phantom{...}\ce{H}\phantom{........}\\ \phantom{...........}|\phantom{...} \phantom{.}|\phantom{....}\\ \ce{H-C≡C-C-C-H}\\ \phantom{...........}|\phantom{...}\phantom{.}|\phantom{....}\\ \phantom{...............}\ce{H}\phantom{...}\ce{H}\phantom{........}\\ \end{array}$
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