Describe the splitting pattern expected for the proton at(a) C-2 in (Z)-1,3-dichloropropen...

Describe the splitting pattern expected for the proton at

(a) C-2 in (Z)-1,3-dichloropropene

(b) (b) C-2 in CH3CHCH

Sample Solution (a) The signal of the proton at C-2 is split into a doublet by coupling to the proton cis to it on the double bond, and each line of this doublet is split into a triplet by the two protons of the CH2Cl group.