Answered>Order 388
The compound shown will give clues to its structure by which of the following spectral features ? (Assume there is no magnetic coupling with the aldehyde proton.)
True False
A strong , sharp absorption at about 1730 wavenumbers (IR) (True)
True False
An important pair of moderately strong absorptions at about 800 and 900 wavenumbers (IR)
True False
A sharp singlet in the region of delta = 3.5 ppm (NMR)
True False
A triplet at about delta = 2.2 ppm , integrating for 2 protons (NMR)
True False
A strong , broad absorption at about 1800 wavenumbers (IR)