Draw the structure of $\mathrm{p}$-Nitropropiophenone.

Draw the structure of the following compound.

$4$-Methylpent-$3$-en-$2$-one

Draw the structure of the following compound.

$4$-Chloropentan-$2$-one

Write the IUPAC name of the following ketone and aldehyde. Wherever possible, give also common name.

${\mathrm{CH}}_3\mathrm{CO}({\mathrm{CH}}_2{)}_4{\mathrm{CH}}_3$

Write the IUPAC name of the following ketone and aldehyde. Wherever possible, give also common name.

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CHBrCH}}_2\mathrm{CH}\left({\mathrm{CH}}_3\right)\mathrm{CHO}$