Practice - HL: Using Combined Spectroscopic Data to Deduce Structures
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Practice Questions
Test your understanding with targeted questions
Define what the molecular ion peak represents in mass spectrometry.
💡 Hint: Think about how mass spectrometry provides molecular information.
What does the Index of Hydrogen Deficiency (IHD) tell us?
💡 Hint: Consider what unsaturation means in organic compounds.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary use of mass spectrometry in organic chemistry?
💡 Hint: Consider how mass spectrometry provides molecular-level information.
Is the following statement true or false? 'Infrared spectroscopy can identify the exact structure of a compound without additional techniques.'
💡 Hint: Reflect on the limits of each spectroscopic technique.
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Challenge Problems
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A compound has the empirical formula C₃H₇ and an M⁺ peak of 86 g/mol. Calculate its molecular formula and discuss possible structures.
💡 Hint: Use the ratio from the empirical formula to find n and multiply accordingly.
Given an IHD of 2, suggest potential structure options for the molecule, considering possible functional groups.
💡 Hint: Reflect on how multiple unsaturation scenarios can fit an IHD of 2.
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