Nomenclature of Organic Compounds

Write the IUPAC name of the following organic compound :

The IUPAC name of  is: 

The IUPAC name of ${\text{CH}}_{\text{3}}\text{COCH}{({\text{CH}}_{\text{3}})}_{\text{2}}$ is 

The IUPAC name of the compound ${\text{CH}}_2\text{=CH}-\text{CH}{\left({\text{CH}}_3\right)}_2$

The IUPAC name of C₆H₅COCl is:

Can the same organic compound with exact same structure have$2$ different IUPAC names?

Which of the following IUPAC name is correct for the following compound:

The IUPAC  name of the following compound:

${\mathrm{CH}}_3-\mathrm{C}({\mathrm{CH}}_3{)}_2-{\mathrm{CH}}_2-\mathrm{CH}={\mathrm{CH}}_2$

Write the IUPAC name of the following compound :

The IUPAC name of ethylidene chloride is 

What is the IUPAC name of the following structure:

The IUPAC name of the compound

${\mathrm{CH}}_3\mathrm{CH}=\mathrm{CHC}\equiv \mathrm{CH}$

The correct IUPAC name of the compound is

The IUPAC name of 

The incorrect IUPAC name among the given options:

The IUPAC name of

 has the IUPAC name -