$2-$($3-$Hydroxycyclobutyl) ethanoic acid.

The correct structure of the above compound is

The correct IUPAC name of above compound is

The $\text{IUPAC}$ name of the above compound is:

The first letter of the common name of which of the following group(s) is alphabetized in $\mathrm{IUPAC}$nomenclature?

a 

b 

c 

d 

A long chain alkane has the following substitutes:

$\left(\mathrm{i}\right)$ ($1-$methylpropyl) at $\mathrm{C}-5$.

$\left(\mathrm{ii}\right)$ ($2-$methylpropyl) at $\mathrm{C}-4$.

$\left(\mathrm{iii}\right)$ Tert$-$butyl at $\mathrm{C}-2$.

$\left(\mathrm{iv}\right)$ Dimethyl at $\mathrm{C}-4$ and $\mathrm{C}-5$.

The correct order of writing their names (first to last) is?