Which functional group do you think can be present in an organic compound having the molecular formula C₅H₁₀O₂? Write the formula of the organic compound.

35 Draw the structure of butanoic acid. 35 What is the IUPAC name of acetic acid ? 36 Give one example each of the compounds having the following functional groups:

(i) Aldehyde group (ii) Alcohol group (iii) Carboxylic acid group (iv) Halo group

36 Give one example each of the compounds having the following functional groups:

(i) Aldehyde group

(ii) Alkyne group