The $IUPAC$ name of the compound $CH_3-CH(CH_3)-COCH_3$ is:

What is the correct $IUPAC$ name of the following structure? Explain.
$CH_3-CH_2-CH(CH_2-CH_3)-CH_2-CH_2-CH(CH_3)-CH_2-CH_3$
$(i)$ $3-$ethyl$-6-$methyloctane
$(ii)$ $3-$methyl$-6-$ethyloctane
$(iii)$ $6-$methyl$-3-$ethyloctane

Identify the bond line formula for propan$-1-$ol.

The $IUPAC$ name of $C_6H_5COCl$ is

Identify the structure of $2,3$-dibromo-$1$-phenylpentane.

Select the correct match of $IUPAC$ name with structure.