Consider the reaction in the box. Which of the following is a key intermediate in the mechanism of this reaction? CH3CH2OH, H* OCH2CH3 A) B) D) OCH2CH3

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Q: concentration

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Q: Which of the following compounds are aromatic? circle them. WEN

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Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.