The $IUPAC$ name of $CH_3COCH(CH_3)_2$ is

Write the prefix and suffix for the following functional groups:
$(i)$ $-COCl$
$(ii)$ $-CONH_2$
$(iii)$ $-COOR$
$(iv)$ $-CHO$
$(v)$ $-COOH$
$(vi)$ $-COX$
$(vii)$ $-CO-$
$(viii)$ $-C \equiv N$
$(ix)$ $-COO^-$

$IUPAC$ name of the following compound $NC-CH_2-CH(CN)-CH_2-CN$ is:

The $IUPAC$ name of $n-$butyl chloride is

Match the structures given in Column-$I$ with their $\text{IUPAC}$ names in Column-$II$.
| Column-$I$ (Structure) | Column-$II$ ($\text{IUPAC}$ Name) |
| :--- | :--- |
| $(A)$ Cyclohexanol | $(i)$ $2$-ethoxy-$1,1$-dimethylcyclohexane |
| $(B)$ $2$-methylcyclopentanol | (ii) $3$-methylphenol |
| $(C)$ $3$-methylphenol | (iii) Trihydroxybenzene |
| $(D)$ $1$-ethoxy-$2,2$-dimethylcyclohexane | (iv) $2$-methylcyclopentanol |
| $(E)$ Benzene-$1,2,4$-triol | $(v)$ Cyclohexanol |
| | (vi) Benzene-$1,2,4$-triol |

$A$ compound with a molecular formula of $C_6H_{14}$ has two tertiary carbons. Its $IUPAC$ name is: