Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence:

The conversion of ethene into ethane is an example of  (hydration, hydrogenation).

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence:

The catalyst used in the conversion of ethene into ethane is commonly _____ (iron, nickel, cobalt). 

Name the compound prepared by the following reaction :

${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COONa}+\mathrm{NaOH}\to$

Name the compound prepared by the following reaction:

${\mathrm{CH}}_3\mathrm{I}+2\mathrm{H}\to$

Name the compound prepared by the following reaction :

${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Br}+\mathrm{KOH}(\mathrm{alcoholic} \mathrm{solution})\to$