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.