Final answer:
The H-NMR chemical shift range for an ester is typically observed between 3 and 5 ppm.
Step-by-step explanation:
The H-NMR chemical shift range for an ester can vary depending on the specific compound and its chemical environment. However, in general, the chemical shift range for the protons (H) in an ester is typically observed between 3 and 5 ppm.
It's important to note that this range is a general guideline, and the actual chemical shift values can be influenced by various factors such as the electronic and steric effects of neighboring functional groups.
For a more accurate determination of the H-NMR chemical shift range for a specific ester compound, experimental data or additional information about the compound is required.