1. An unknown compound has a chemical formula of C3H7X where X is either Br or Cl. This compound has two possible constitution isomers. What are 2 challenges in order to differentiate and identify the structure of the unknown compound?

Propose combined spectroscopic techniques and detailed approaches including expected spectroscopy data or spectrum observed to differentiate these two possible isomers and identify the structure of the unknown compound. Please provide a complete record of your thought process and strategies for solving the problem.