Name the reagent used in the following reaction:

Dehydration of propan-$2$-ol to propene.

Name the reagent used in the following reaction:

Butan-$2$-one to butan-$2$-ol.

Give IUPAC name of the following ether :

Give IUPAC name of the following ether :

${\mathrm{CH}}_3{\mathrm{OCH}}_2{\mathrm{CH}}_2\mathrm{Cl}$

Give IUPAC name of the following ether:

${\mathrm{O}}_2\mathrm{N}-{\mathrm{C}}_6{\mathrm{H}}_4-{\mathrm{OCH}}_3\left(\mathrm{p}\right)$

Give IUPAC name of the following ether:

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{OCH}}_3$

Give IUPAC name of the following ether:

Give IUPAC name of the following ether: