Describe the characteristic infrared absorption frequencies that would allow you to dist...

Describe the characteristic infrared absorption frequencies that would allow you to distinguish between the following pairs of compounds.

(a) 2,3-dimethylbut-2-ene and 2,3-dimethylbut-1-ene

(b) cyclohexa-1,3-diene and cyclohexa-1,4-diene

(c)

(d)

(e)

(f)

(g)

(h)