🤓 Based on our data, we think this question is relevant for Professor Fan's class at MSU.

Solution: Order the following protons from lowest to highest chemical shift value. a Ha < Hc < Hb < Hd b Ha < Hc < Hd < Hb  c Hc < Ha < Hd < Hb  d Hc < Ha < Hb < Hd  e Hc < Hd < Ha < Hb

Problem

Order the following protons from lowest to highest chemical shift value.

a Ha < Hc < Hb < Hd
b Ha < Hc < Hd < H
c Hc < Ha < Hd < H
d Hc < Ha < Hb < H
e Hc < Hd < Ha < Hb