Question

Which one of the following compounds is consistent with the following IR spectrum? % Transmittance turum 08077 1500 Ποόο soo Wavenumber (cm) H I Ο Ι II Ο Ο Ο Ο Ο III IV O v

Answer 1

As per rule I can't answer more than one question. That's why I answered only first question. If you need all the answers then upload the questions separately.

In the given IR there are 3 most important peaks. ① 2 at 3400 cmn, which indicates the presence of hydroxy group (-OH group), ② dat 3100 cm), which indicates hydrogen carbon (sp2 by bridised) hydrogen bond. Fe-Hy this bond, ③ Dat 1650 unt, which indicate carbon carbon double bond. c= this bond. only Now is compound Ir full fill at all Old the IR peaks. So the right answer is option be If the compound in ③ or ④ Do there should beak at carbonyl region ( E1400-1730 eu') And of 1 is for eleminated due to absence of (C=C) beak