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Electronic Transitions

The absorption of what type of electromagnetic radiation results in electronic transitions?

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C=O Stretch

For carbonyls that are part of a conjugated π-network, the C=O stretch:

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1H NMR Spectrum

The 1H NMR spectrum of an unknown compound shows the following signals: triplet, quintet and triplet (relative integrals 1:2:3, respectively). Which compound is consistent with this data?

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Cis and Trans

Which of the following statements best describes the structural relationship between cis-1,2-dibromocyclopropane and trans-1,2-dibromocyclopropane?

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Choose Wisely

Which of the following statements is correct?

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Degrees of Unsaturation

How many degrees of unsaturation are present in the anxiolytic drug Valium (diazepam), molecular formula C16H13ClN2O?

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Shortest C-H Bond

Which of the following has the shortest C-H bond?

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Predominate Mechanism

Which reaction mechanism predominates in the reaction below?

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Determine the Structure

Determine the structure of an unknown compound with the molecular formula C8H12O that has 5 signals in the H NMR spectrum and shows the following IR absorptions:

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Two Reactants

Which two reactants would you use to complete the following reaction in high yield?

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