Name the following :

(i) The process by which ethane is obtained from ethene.

(ii) A hydrocarbon which contributes towards the greenhouse effect.

(iii) The distinctive reaction that takes place when ethanol is treated with acetic acid.

(iv) The property of elements by virtue of which atoms of the element can link to each other in the form of a long chain or ring structure.

(v) The reaction when an alkyl halide is treated with alcoholic potassium hydroxide.

(i) Catalytic hydrogenation (addition)

(ii) Methane

(iii) Esterification

(iv) Catenation

(v) Dehydrohalogenation