Write the IUPAC names of the following:
i) (the aryl propanoate shown in the figure)
ii) CH₃–C≡C–CH₂–CHO
(i)
i) (the aryl propanoate shown in the figure)
ii) CH₃–C≡C–CH₂–CHO

Answer: (i) 4-Bromophenyl propanoate. (ii) Pent-3-ynal.
Solution
(i) The propanoate ester of 4-bromophenol:
(ii) Five-carbon aldehyde with the triple bond at 3–4:
(ii) Five-carbon aldehyde with the triple bond at 3–4:
CBSE Class 12 Board · 2003 · All India · Subjective