Question

Write the structural formula of ( a ) the third higher and (b) the second lower
homologue of CH3 – CH2 – NH2​

Answer 1

Dear Student,

◆ Answer -

(a) CH3-CH2-CH2-CH2-CH2-NH3

(b) NH3

● Explanation -

CH3-CH2-NH2 is a member of primary amines homologous series.

(a) 3rd higher homologue -

3rd higher homologue of ethyl amine is pentyl amine.

Structural formula of pentyl amine is -

CH3 - CH2 - CH2 - CH2 - CH2 - NH3

(b) 2nd lower homologue -

2nd lower homologue of ethyl amine is ammonia.

Structural formula of ammonia is -

NH3

Hope that's all...

Answer 2

hope this helpful follow