M.Sc. Chemistry (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

Practice Mode:
22.

vC=O absorption band in the Infra-red spectrum of propanal appears at :

A: 3000-3320 cm^-1
B: 1720-1740 cm^-1
C: 1500-1575 cm^-1
D: 735-770 cm^-1

The answer is: B