Domanda del libro di testo
Given the molecular formula, (i) what functional groups are possible in each of the following molecules?
(a) C6H14O
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Ch. 14 - Structural Identification 1: Infrared Spectroscopy and Mass Spectrometry
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
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TOC.tableOfContents
- Ch. 2 - General Chemistry Translated: Finding the Electrons114
- Ch. 3 - Alkanes and Cycloalkanes: Properties and Conformational Analysis109
- Ch. 4 - Acids and Bases/Electron Flow144
- Ch. 5 - Chemical Reaction Analysis: Thermodynamics and Kinetics118
- Ch. 6 - Stereoisomerism: Arrangement of Atoms in Space112
- Ch. 7 - Principles of Green (Organic) Chemistry3
- Ch. 8 - Alkenes 1: Properties and Electrophilic Additions158
- Ch. 9 - Alkenes 2: Oxidation and Reduction150
- Ch. 10 - Alkynes: Electrophilic Addition and Redox Reactions101
- Ch. 11 - Properties and Synthesis of Alkyl Halides: Radical Reactions108
- Ch. 12 - Substitution and Elimination: Reactions of Haloalkanes172
- Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination239
- Ch. 14 - Structural Identification 1: Infrared Spectroscopy and Mass Spectrometry54
- Ch. 15 - Structural Identification 2: Nuclear Magnetic Resonance Spectroscopy93
- Ch. 16 - Metals in Organic Chemistry48
- Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones45
- Ch. 18 - Nucleophilic Acyl Substitution 1: Carboxylic Acids18
- Ch. 19 - Nucleophilic Acyl Substitution 2: Carboxylic Acid Derivatives39
- Ch. 20 - Enolates: Carbonyl Addition and Substitution13
- Ch. 21 - Conjugated Systems 1: Stability and Addition Reactions56
- Ch. 22 - Conjugated Systems 2: Pericyclic Reactions54
- Ch. 23 - Benzene 1: Aromatic Stability and Substitution Reactions64
- Ch. 24 - Benzene 2: Reactions Influenced by the Aromatic Ring62
- Ch. 25 - Amines: Structure, Reactions, and Synthesis27
- Ch. 26 - Amino Acids, Proteins, and Peptide Synthesis9
- Ch. 27 - Carbohydrates, Nucleic Acids, and Lipids54
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471Non è quello che usi tu?Cambia libro di testo
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Mullins 1st EditionCh. 14 - Structural Identification 1: Infrared Spectroscopy and Mass SpectrometryProblema 1a
Mullins 1st EditionCh. 14 - Structural Identification 1: Infrared Spectroscopy and Mass SpectrometryProblema 1aCapitolo 13, Problema 1a
Given the molecular formula, calculate the index of hydrogen deficiency.
(a) C6H14O
Guida verificata passo dopo passo1
Step 1: Understand the concept of the Index of Hydrogen Deficiency (IHD). The IHD, also known as the degree of unsaturation, indicates the number of rings, double bonds, or triple bonds in a molecule. Each ring or double bond reduces the number of hydrogens by 2, while a triple bond reduces it by 4.
Step 2: Recall the formula for calculating IHD: IHD = (2C + 2 - H + N - X) / 2, where C is the number of carbons, H is the number of hydrogens, N is the number of nitrogens, and X is the number of halogens. For oxygen (O), it does not affect the IHD calculation and is ignored.
Step 3: Substitute the given molecular formula into the IHD formula. For C₆H₁₄O, the number of carbons (C) is 6, the number of hydrogens (H) is 14, and there are no nitrogens (N = 0) or halogens (X = 0). The formula simplifies to IHD = (2(6) + 2 - 14) / 2.
Step 4: Simplify the expression inside the parentheses. Calculate 2(6) + 2, then subtract 14.
Step 5: Divide the result from Step 4 by 2 to determine the IHD. This will give you the final value of the Index of Hydrogen Deficiency for the molecule C₆H₁₄O.
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Concetti chiave
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Molecular Formula
A molecular formula represents the number and types of atoms in a molecule. It provides essential information about the composition of a compound, indicating how many of each element are present. For example, C₆H₁₄O indicates there are six carbon atoms, fourteen hydrogen atoms, and one oxygen atom in the molecule.
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How to use IHD with molecular formula.
Index of Hydrogen Deficiency (IHD)
The Index of Hydrogen Deficiency (IHD) is a measure of the degree of unsaturation in a molecule, indicating the number of rings and/or multiple bonds present. It can be calculated using the formula IHD = (2C + 2 + N - H - X) / 2, where C is the number of carbons, N is the number of nitrogens, H is the number of hydrogens, and X is the number of halogens. A higher IHD suggests more unsaturation, which affects the molecule's reactivity and structure.
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Unsaturation in Organic Compounds
Unsaturation refers to the presence of double or triple bonds between carbon atoms or the presence of rings in organic compounds. These features reduce the number of hydrogen atoms that can be attached to the carbon skeleton compared to a saturated compound. Understanding unsaturation is crucial for predicting the reactivity and stability of organic molecules, as well as for determining their structural characteristics.
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