{"id":186664,"date":"2025-01-26T05:40:28","date_gmt":"2025-01-26T05:40:28","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=186664"},"modified":"2025-01-26T05:40:30","modified_gmt":"2025-01-26T05:40:30","slug":"calculate-the-index-of-hydrogen-deficiency-degrees-of-unsaturation-for-the-following-molecule-with-molecular-formula-c5h10o2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/01\/26\/calculate-the-index-of-hydrogen-deficiency-degrees-of-unsaturation-for-the-following-molecule-with-molecular-formula-c5h10o2\/","title":{"rendered":"Calculate the index of hydrogen deficiency (degrees of unsaturation) for the following molecule with molecular formula C5H10O2"},"content":{"rendered":"\n

Calculate the index of hydrogen deficiency (degrees of unsaturation) for the following molecule with molecular formula C5H10O2, and propose a structure for this compound consistent with the following IR, 1H NMR, and 13C NMR.<\/p>\n\n\n\n

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Part 1 (1 point) The index of hydrogen deficiency for this molecule is: Part 2 (1 point) Propose a structure for this compound consistent with the above spectra.<\/p>\n\n\n\n

The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n

Part 1: Index of Hydrogen Deficiency (IHD) Calculation<\/strong><\/p>\n\n\n\n

The Index of Hydrogen Deficiency (IHD), also known as degrees of unsaturation, indicates the number of rings and \u03c0 bonds (double bonds or triple bonds) in a compound. It can be calculated using the formula:<\/p>\n\n\n\n

[ \\text{IHD} = \\frac{2C + 2 – H}{2} ]<\/p>\n\n\n\n

Where:<\/p>\n\n\n\n