Match the formulas in column-$I$ with their corresponding names or functional group classifications in column-$II$.

column-$I$	column-$II$
$(i)$ $CH_3COCH_3$	$(a)$ Aldehyde,$(b)$ Ketone
$(ii)$ $CH_3CH_2CHO$	$(c)$ Propanone,$(d)$ Oxo
$(iii)$ $CH_3CH_2COOH$	$(e)$ One,$(f)$ al
	$(g)$ Propanoic acid

What is the $IUPAC$ name of mesityl oxide?

Provide the $IUPAC$ name and structure for the following compounds:
$(i)$ Propanone
$(ii)$ Butanone
$(iii)$ Hexan$-3-$one
$(iv)$ $2,4-$dimethylpentan$-3-$one
$(v)$ Pentan$-3-$one
$(vi)$ $2-$methylcyclohexanone
$(vii)$ $4-$methylpent$-3-$en$-2-$one
$(viii)$ Benzophenone
$(ix)$ Acetophenone
$(x)$ $3-$methylbutan$-2-$one
$(xi)$ $5-$hydroxy$-5-$methylhexan$-3-$one
$(xii)$ $3-$oxobutanoic acid
$(xiii)$ $3,3-$dimethylheptan$-2,6-$dione.

Glyoxal is

Give the name and structure of the following compounds:
$(i)$ Methanal $(ii)$ Ethanal $(iii)$ $2$-Methylpropanal $(iv)$ $3$-Methylcyclohexanecarbaldehyde $(v)$ $2$-Methoxypropanal $(vi)$ Pentanal $(vii)$ Prop-$2$-enal $(viii)$ Benzene-$1,2$-dicarbaldehyde $(ix)$ $3$-Bromobenzaldehyde

Acrolein is a/an......