Question

Write the IUPAC names of the following ketones and aldehydes. Wherever possible, give also common names. 
\((i) CH_3CO(CH_2)_4CH_3 \)
\((ii) CH_3CH_2CHBrCH_2CH(CH_3)CHO \)
\((iii) CH_3(CH_2)_5CHO \)
\((iv) Ph-CH=CH-CHO\)
\((v)\)
\((vi) PhCOPh\)

Answer 1

\((i) CH_3CO(CH_2)_4CH_3\)
IUPAC name: Heptan-2-one 
Common name: Methyl n-propyl ketone

\((ii) CH_3CH_2CHBrCH_2CH(CH_3)CHO \)
IUPAC name: 4-Bromo-2-methylhaxanal 
Common name: (γ-Bromo-α-methyl-caproaldehyde)

\((iii) CH_3(CH_2)_5CHO \)
IUPAC name: Heptanal

\((iv) Ph-CH=CH-CHO \)
IUPAC name: 3-phenylprop-2-enal 
Common name: β-Pheynolacrolein

\((v)\)
IUPAC name: Cyclopentanecarbaldehyde

\((vi)PhCOPh \)
IUPAC name: Diphenylmethanone 
Common name: Benzophenone