Write the $IUPAC$ names of the following ketones and aldehydes. Wherever possible,give also common names.
$(i)$ $CH_{3}CO(CH_{2})_{6}CH_{3}$
$(ii)$ $CH_{3}CH_{2}CHBrCH_{2}CH(CH_{3})CHO$
$(iii)$ $CH_{3}(CH_{2})_{5}CHO$
$(iv)$ $Ph-CH=CH-CHO$
$(v)$ Cyclopentane ring attached to $-CHO$ group
$(vi)$ $PhCOPh$

(N/A) $(i)$ $CH_{3}CO(CH_{2})_{6}CH_{3}$
$IUPAC$ name: Octan$-2-$one
Common name: Methyl $n-$heptyl ketone
$(ii)$ $CH_{3}CH_{2}CHBrCH_{2}CH(CH_{3})CHO$
$IUPAC$ name: $4-$Bromo$-2-$methylhexanal
$(iii)$ $CH_{3}(CH_{2})_{5}CHO$
$IUPAC$ name: Heptanal
$(iv)$ $Ph-CH=CH-CHO$
$IUPAC$ name: $3-$phenylprop$-2-$enal
Common name: $\beta-$Phenylacrolein
$(v)$ Cyclopentanecarbaldehyde
$(vi)$ $PhCOPh$
$IUPAC$ name: Diphenylmethanone
Common name: Benzophenone