Question

(a) Give the molecular formula of one homologue of each of the following :

(i) C₃H₆ (ii) C₂H₆ (iii) C₂H₂

(b) What is the difference in the molecular mass of any two adjacent homologues ?

(c) By how many carbon atoms and hydrogen atoms do any two adjacent homologues differ ?

Answer 1

(a) (i) C₄H₈ (ii) C₃H₈

(iii) C₃H₄

(b) 14 u

(c) 1 carbon atom and 2 hydrogen atoms i.e. a CH₂ group.