The hydrogen of 1-chloropent-2-ene shows the largest chemical shift is C2 or C3 because they are more de-shielded than they have the largest chemical shift value.
Generally, There is the biggest chemical shift at C2 or C3 due to the fact they are connected through the pi- bond and range is about 4.5 - 6 ppm and C1 has a range of about 3.5 due to Cl- ion.
In conclusion, C2 or C3 is more de-shielded than they have the largest chemical shift value.
Read more about Compound
https://brainly.com/question/704297