CBSE Class 10 Science 2017 · Paper 31/3 · Question 1
Write the molecular formula of the 2nd and 3rd member of the homologous series where the first member is ethyne.
Answer
Propyne, , is the 2nd member and butyne, , the 3rd member of the alkyne series.
2nd member: (propyne); 3rd member: (butyne).
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