Which functional group has higher priority for suffix naming in IUPAC nomenclature?
A$-OH$ over $-CHO$
Bketone over carboxylic acid
C$-CHO$ over ketone
Damine over alcohol
Answer & Solution
Correct answer: C. $-CHO$ over ketone
Among the listed groups, aldehyde ($-CHO$) has higher priority than ketone, so option C is correct. Alcohol is below both aldehyde and ketone, and amine is below alcohol in the priority list shown.
Related questions
Order of boiling points of the given compound is:
(1) pentan-1-ol
(2) butan-1-ol
(3) butaIn the following aromatic compound, bromination in presence of $Fe$ occurs preferentially Given the diazonium salt shown, which product is formed on treatment with $NaNO_2$, Cu andNitrobenzene gives hydroxylamine by-
![](https://qallery.app/diagrams/v2_46c8b1655a73/imgThe correct IUPAC name of the compound,
![](https://qallery.app/diagrams/v2_248e9aa17a93/Which of the following resonating structures of 1-methoxy-1, 3-butadiene is least stable$$\mathrm{CH_3-CH=CH-CH=CH-C_2H_5}$$ isBenzene on treatment with a mixture of conc. $$\mathrm{HNO_3}$$ and conc. $$\mathrm{H_2SO_