Draw the structures for the following.

(i) Ethanoic acid

(ii) Bromopentane*

(iii) Butanone

(iv) Hexanal

*Are structural isomers possible for Bromopentane?

How would you name the following compounds?

A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used?

How would you distinguish experimentally between an alcohol and a carboxylic acid?