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A sample of a hydrocarbon for analysis is placed in a strong magnetic field and irradiated with electromagnetic radiation of radio wave frequency - VCE - SSCE Chemistry - Question 15 - 2008 - Paper 1
Question 15
A sample of a hydrocarbon for analysis is placed in a strong magnetic field and irradiated with electromagnetic radiation of radio wave frequency. This is most like... show full transcript
Worked Solution & Example Answer:A sample of a hydrocarbon for analysis is placed in a strong magnetic field and irradiated with electromagnetic radiation of radio wave frequency - VCE - SSCE Chemistry - Question 15 - 2008 - Paper 1
Step 1
a change in the energy of the nuclei of the hydrogen atoms.
Answer
When a sample of hydrocarbon is subjected to a strong magnetic field and electromagnetic radiation of radio wave frequency, the interaction primarily affects the nuclei of the hydrogen atoms. This phenomenon is known as nuclear magnetic resonance (NMR) spectroscopy.
In this process, the hydrogen nuclei (protons) absorb energy from the radio waves, leading to a change in their energy levels. The absorbed energy causes the protons to resonate, which can then be detected and analyzed. This fundamentally means that option D is the most appropriate answer.