Name the functional groups present in the following compounds

(i) CH₃CHO (ii) CH₃CH₂COOH (iii) CH₃COCH₃ (iv) CH₃CH₂CH₂OH

29 Write the formula of the functional group present in carboxylic acids. 29 Name the functional group present in CH₃ – C ≡ CH. 30 Write the IUPAC name and common name of CH₃CI. 30 Draw the structure of chlorobutane.