Question

Write the formula of 3rd and 5th member of homologous series having general formula cnh2n+2 which of these two have higher boiling point and why​

Answer 1

Since the first member of alkyne series has 2 carbon atopmes in the therefore, third member of alyne series will have 4 carbn atoms in its molecule . Soif wer put n=4 in the general formula CnH2n-2 then the molecular formula of the fifth memeber of the alkyne series will be c6H2×6-2orC6H10.