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Solutions for Chapter 15.4: The Number of Signals in an 1 H NMR Spectrum

Organic Chemistry | 7th Edition | ISBN: 9780321803221 | Authors: Paula Yurkanis Bruice

Full solutions for Organic Chemistry | 7th Edition

ISBN: 9780321803221

Organic Chemistry | 7th Edition | ISBN: 9780321803221 | Authors: Paula Yurkanis Bruice

Solutions for Chapter 15.4: The Number of Signals in an 1 H NMR Spectrum

Organic Chemistry was written by and is associated to the ISBN: 9780321803221. This textbook survival guide was created for the textbook: Organic Chemistry, edition: 7. Since 4 problems in chapter 15.4: The Number of Signals in an 1 H NMR Spectrum have been answered, more than 35478 students have viewed full step-by-step solutions from this chapter. Chapter 15.4: The Number of Signals in an 1 H NMR Spectrum includes 4 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions.

Key Chemistry Terms and definitions covered in this textbook
  • Allylic

    Next to a carbon-carbon double bond.

  • antiferromagnetism

    A form of magnetism in which unpaired electron spins on adjacent sites point in opposite directions and cancel each other’s effects. (Section 23.1)

  • Bond dissociation enthalpy

    The amount of energy required to break a bond into two radicals in the gas phase at 25°C, A!B !> A• 1 •B

  • calorimetry.

    The measurement of heat changes. (6.5)

  • cell potential

    The potential difference between the cathode and anode in an electrochemical cell; it is measured in volts: 1 V = 1 J>C. Also called electromotive force. (Section 20.4)

  • conjugate addition

    An addition reaction in which a nucleophile and a proton are added across the two ends of a conjugated p system.

  • degenerate

    A situation in which two or more orbitals have the same energy. (Section 6.7)

  • dextrorotatory

    A compound that rotates plane-polarized light in a clockwise direction (+).

  • Endergonic reaction

    A reaction in which the Gibbs free energy of the products is higher than that of the reactants. The position of equilibrium for an endergonic reaction favors starting materials

  • Formal charge

    The charge on an atom in a polyatomic ion or molecule

  • frequency

    The number of times per second that one complete wavelength passes a given point. (Section 6.1)

  • gas

    Matter that has no fixed volume or shape; it conforms to the volume and shape of its container. (Section 1.2)

  • hard water

    Water that contains appreciable concentrations of Ca2 + and Mg 2 + ; these ions react with soaps to form an insoluble material. (Section 18.4)

  • intermediate

    A structure corresponding to a local minimum (valley) in an energy diagram.

  • mass spectrometer

    An instrument used to measure the precise masses and relative amounts of atomic and molecular ions. (Section 2.4)

  • Part per million (ppm)

    Units used on NMR spectra to record chemical shift relative to the TMS standard.

  • Radical inhibitor

    A compound such as a phenol that selectively reacts with radicals to remove them from a chain reaction and terminate the chain

  • Resonance in NMR spectroscopy

    The absorption of electromagnetic radiation by a precessing nucleus and the resulting “fl ip” of its nuclear spin from the lower energy state to the higher energy state.

  • sulfonate ions

    Common leaving groups. Examples include tosylate, mesylate, and triflate ions.

  • weak activators

    Groups that weakly activate an aromatic ring toward electrophilic aromatic substitution, thereby enhancing the rate of the reaction.

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