What functional groups are most likely present in a compound ...

[chandani]

What functional groups are most likely present in a compound whose IR spectrum shows absorbances at 2217 and 1648 cm-1?
   
  1.aldehyde and alkene
  2.alkene and alcohol
  3.alcohol and nitrile
  4.alkyne and ketone
  5.alkene and nitrile

Question 2

Infrared spectroscopy is based on _____ excitation.
  1.electronic
  2.rotational
  3.nuclear
  4.vibrational

[shaikhs]

Answer to Question 1

5

Answer to Question 2

4

[chandani]

Excellent

[debra928]

Thanks for the timely response, appreciate it