The student demonstrates a strong understanding of relevant chemical principles and effectively applies them in their research. The essay includes a clear explanation of the techniques and apparatus used, such as UV-Visible spectroscopy, and the rationale behind the choice of solvents, showcasing the student's grasp of the chemistry involved. The student incorporates relevant and appropriate source material throughout the essay, effectively supporting the research question. While the source material is used effectively, there is a noted need for a greater emphasis on accredited scientific sources rather than internet sources. The student maintains an academic tone, uses chemical nomenclature consistently, and appropriately employs balanced chemical equations and SI units throughout the essay.