(iv) What is the difference between an alkene and an alkyne?
3. Identify the following compounds on the basis of functional groups they contain and encircle the functional group.
4. What is the name of alkane having four carbon atoms in the chain?
5. Give the structural formula of two simple alkanes and one alkyne.
6. What is meant by the term functional group?
7. Identify the type of following compounds as an alcohol, aldehyde or ketone:
8. Give molecular formula of a compound containing C,H and O and single bonds. List all the possible functional groups this compound can have?
9. Give the condensed structural formulas of the following compounds and classify each on the basis of functional group. HHH H-C-C-C-OH (a) H H H Ans: e Structural formula HHH HIĊ-ĊIC-OH H H H O (b) H H H-C-O-C (b) H H
10. The diagram represents an organic compound that contains three different elements.
11. Polyvinyl chloride (PVC) is a polymer. It is used for making vinyl sheets, drainage pipes, wire insulation etc. It is obtained from vinyl chloride
12. For each of the following, sketch the structural formulas of a two-carbon compound containing the indicated functional group.
13. Aspirin is a mild pain killer and fever reducer. It is manufactured from salicylic acid. COOH OH Select functional groups present in it and encircle them. Justify your selection.
14. Construct the general formula for an alkane, an alkene, alkyne and an alcohol containing 4 carbon atoms.
18. Water adds to ethane according to the following reaction. CH2=CH2 + H2O CH3CH2OH Compare the functional groups in the reactant and product molecules.