Write the name and formula of fourth member of the following homologous series:

(a) Alkyne

(b) Alcohol

Which part of an organic compound determines

(i) Physical properties

(ii) Chemical properties

Give the names and the structural formula of the first three members of the homologous series of alkanes.

Name the alkyl radical and the functional group of the following organic compounds:

(a) CH₃OH

(b) C₂H₅OH

(c) C₃H₇CHO

(d) C₄H₉COOH

(e) CH₃COOH

(f) C₂H₅Br