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  • Hello Fulya,Ethanal (acetaldehyde) gives two signals (with an integration trace of 3:1) in its low-resolution 1H NMR spectrum as it contains protons in two different chemical environments. The splitting of these two signals will be shown in...
  • Hi,I have a question about Question 6, I wonder how ethanal will have a doublet in its H NMR spectrum,Many thanks
  • 25 April 2024
    Geoffrey Neuss
    R3.2 (AHL) Electrochemical cells
    Hello Leonie, I think that delivering the new syllabus by placing the emphasis more on the underlying concepts is a great idea and compared to past syllabuses I think you will find that you have more time to do this as the content is definitely...
  • 25 April 2024
    Geoffrey Neuss
    Internal Assessment
    Hello Charmaine,The problem with producing a list of chemical substances that are forbidden for use in schools is that different rules and regulations apply in different countries and often even within different regions of the same country....