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

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

(i) Aldehyde group

(ii) Alkyne group

37 What is the molecular formula and structure of the alcohol which can be thought to be derived from pentane?