Thank you for reporting, we will resolve it shortly
Q.
IUPAC name of acraldehyde is
CMC MedicalCMC Medical 2011
Solution:
The formula of the acraldehyde is $ \underset{prop-2-ene-1-al}{\mathop{\overset{1}{\mathop{OHC}}\,-\overset{2}{\mathop{CH}}\,=\overset{3}{\mathop{C{{H}_{2}}}}\,}}\, $