Question

Write the IUPAC names of the following ketones and aldehydes. Wherever possible, give also common names. (i) CH3CO(CH2)4CH3 (ii) CH3CH2CHBrCH2CH(CH3)CHO (iii) CH3(CH2)5CHO (iv) Ph-CH=CH-CHO (v) (vi) PhCOPh

Answer 1

Hello Dear,

# Following are the IUPAC names of above compounds -

(i) CH3CO(CH2)4CH3

• IUPAC name => Heptan-2-one
• Common name => Methyl n-propyl ketone

(ii) CH3CH2CHBrCH2CH(CH3)CHO

• IUPAC name => 4-Bromo-2-methylhaxanal
• Common name => γ-Bromo-α-methyl-caproaldehyde

(iii) CH3(CH2)5CHO

• IUPAC name => Heptanal
• Common name => Heptanaldehyde

(iv) Ph-CH=CH-CHO

• IUPAC name => 3-phenylprop-2-enal
• Common name => β-Pheynolacrolein

(v) Chemical formula not given

(vi) PhCOPh

• IUPAC name => Diphenylmethanone
• Common name => Benzophenone

Hope this helps you...