What is the common name of ethanol?

19 Give the name and structural formula of one member of the following:

Alcohols

20 Give IUPAC name of the following compounds:

(a) C₄H₉OH

(b) C₅H₁₁OH

22 What is the difference between two consecutive homologues:

(i) in terms of molecular mass?

(ii) in terms of number and kind of atoms per molecule?

23 What type of fuels:

(a) burn with a flame?

(b) burn without a flame?