Cyclopentyl ethyl ether can be obtained by:

The product formed in the reaction?

The reaction,

proceeds by the ___ mechanism.

Consider the following reaction sequence

${\mathrm{CH}}_2={\mathrm{CH}}_2\underset{ \mathrm{cold}}{\stackrel{ \mathrm{dil}. {\mathrm{KMnO}}_4 }{⟶}}\mathrm{A}\underset{ \mathrm{excess} }{\stackrel{{\mathrm{PCl}}_5}{⟶}}\mathrm{B}$

The products $\left(\mathrm{A}\right)$ and $\left(\mathrm{B}\right)$ are, respectively :

Consider the following reaction.

The products formed in the reaction are