State the elements of group 17. What are they called and why ?

Define.

(i) Ionisation potential

(ii) Electron affinity

How do they vary in VII A group or IIIrd period.

Draw the structures of,

(i) an alcohol with 2 carbon atoms

(ii) an alkyne with 3 carbon atoms

Give their IUPAC names.

Write the equations for the following and name the products formed.

(i) Ethyl alcohol reacts with sulphuric acid at 170°C.

(ii) Acetic acid reacts with conc. sodium hydroxide solution.

(iii) Acetic acid reacts with potassium hydrogen carbonate.