Organic Chemistry Flashcards
48 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of bond is formed by the sharing of electrons between two unhybridized p-orbitals that align side-by-side?

  • Triple bond
  • Single bond
  • Double bond
  • Pi bond (correct)

    • What hybridization has 33% s character and 67% p character?

  • sp
  • sp3
  • s
  • sp2 (correct)

    • How are multiple bonds characterized compared to single bonds?

  • They allow for greater rotation.
  • They are shorter and stronger. (correct)
  • They are longer and weaker.
  • They involve only s bonds.

    • According to the Bronsted-Lowry definition, what is the role of acids?

    <p>Donating protons</p> Signup and view all the answers

    What is the primary characteristic of conjugation in organic molecules?

    <p>Alternates between single and multiple bonds</p> Signup and view all the answers

    What is the approximate bond angle in a molecule with sp3 hybridization?

    <p>109.5°</p> Signup and view all the answers

    What does the Lewis definition state regarding bases?

    <p>They donate electron pairs.</p> Signup and view all the answers

    What defines acidity in terms of pH?

    <p>Lower pH indicates stronger acids.</p> Signup and view all the answers

    What is the correct suffix for naming an alkene?

    <p>-ene</p> Signup and view all the answers

    In naming a compound, what is the highest priority functional group?

    <p>-2</p> Signup and view all the answers

    What prefix is used to denote two hydroxyl groups in an alcohol?

    <p>-2</p> Signup and view all the answers

    Which of the following describes a ketone?

    <p>Carbonyl group on a nonterminal carbon</p> Signup and view all the answers

    What suffix is used when naming carboxylic acids?

    <p>-oic acid</p> Signup and view all the answers

    Which compound replaces the -OH group of a carboxylic acid?

    <p>Ester</p> Signup and view all the answers

    What is the general formula for alkanes?

    <p>CnH(2n+2)</p> Signup and view all the answers

    How are substituents in a compound ordered during naming?

    <p>Alphabetically</p> Signup and view all the answers

    What defines a nucleophile?

    <p>An electron-rich species that donates electrons</p> Signup and view all the answers

    Which of the following is NOT an example of an electrophile?

    <p>Halide ions</p> Signup and view all the answers

    What is the primary role of leaving groups in a reaction?

    <p>To depart with electrons and stabilize transition states</p> Signup and view all the answers

    Which method is typically used to achieve chemoselectivity?

    <p>Protecting groups to mask reactive sites</p> Signup and view all the answers

    Why is chemoselectivity beneficial in organic synthesis?

    <p>It streamlines synthesis and minimizes waste</p> Signup and view all the answers

    Which of the following statements is true regarding electrophiles?

    <p>They are electron-poor and accept electrons</p> Signup and view all the answers

    What property is commonly associated with nucleophiles?

    <p>Presence of lone pairs</p> Signup and view all the answers

    What does the choice of reagents influence in a chemical reaction?

    <p>The type of products formed</p> Signup and view all the answers

    Which of the following amino acids is not chiral?

    <p>Glycine</p> Signup and view all the answers

    What type of reaction forms peptide bonds?

    <p>Condensation</p> Signup and view all the answers

    What is the stereochemistry of all amino acids in eukaryotes except cysteine?

    <p>(S)</p> Signup and view all the answers

    Which synthesis method involves an aldehyde and cyanide to generate an amino acid?

    <p>Strecker Synthesis</p> Signup and view all the answers

    What character does the C-N bond in a peptide bond exhibit?

    <p>Partial double bond character</p> Signup and view all the answers

    What is the result of hydrolyzing an aminonitrile in the Strecker Synthesis?

    <p>Amino acid</p> Signup and view all the answers

    Which amino acids are considered aliphatic?

    <p>Isoleucine, Leucine, Valine, and Methionine</p> Signup and view all the answers

    What is generated as part of the Gabriel Synthesis process?

    <p>Phthalic acid</p> Signup and view all the answers

    What does a smaller difference between HOMO and LUMO indicate about a molecule's absorption capabilities?

    <p>It can absorb longer wavelengths.</p> Signup and view all the answers

    What is the function of λ-max in spectroscopy?

    <p>It shows the wavelength of maximum absorption.</p> Signup and view all the answers

    What are the components of inorganic phosphate at physiological pH?

    <p>H2PO4 - and HPO4 2-</p> Signup and view all the answers

    Which effect does solvent polarity have on absorption?

    <p>It shifts the absorption spectrum.</p> Signup and view all the answers

    What does NMR spectroscopy primarily measure?

    <p>Alignment of nuclear spin in a magnetic field.</p> Signup and view all the answers

    Why are phosphate bonds considered high energy?

    <p>They involve resonance stabilization and large negative charges.</p> Signup and view all the answers

    What type of molecules does UV spectroscopy primarily study?

    <p>Compounds containing double bonds and/or conjugated systems</p> Signup and view all the answers

    What is spin-spin coupling in NMR spectroscopy?

    <p>It occurs when adjacent hydrogens interfere with each other’s magnetic environment.</p> Signup and view all the answers

    What does the absorption of UV light cause in molecules?

    <p>Electrons to move from lower-energy π-orbitals to higher-energy π*-orbitals</p> Signup and view all the answers

    What does the area under the peak in an NMR spectrum represent?

    <p>The number of protons contained under the peak.</p> Signup and view all the answers

    What effect does deshielding have on an NMR peak?

    <p>It moves the peak further downfield.</p> Signup and view all the answers

    What are chromophores responsible for in molecules?

    <p>Absorbing UV light</p> Signup and view all the answers

    In mass spectroscopy, what happens to a charged molecule during the analysis?

    <p>It collides with an electron, resulting in electron ejection.</p> Signup and view all the answers

    Which of the following is an example of an organic phosphate?

    <p>Nucleotide triphosphates (such as ATP)</p> Signup and view all the answers

    What is an essential characteristic for a molecule to appear on a UV spectrum?

    <p>A small energy difference between HOMO and LUMO</p> Signup and view all the answers

    What is released when forming phosphodiester bonds in DNA?

    <p>Pyrophosphate (PPi)</p> Signup and view all the answers

    Study Notes

    Organic Chemistry Flashcards

    • This set covers the complete flashcards for organic chemistry.
    • Includes naming conventions, nomenclature, and various functional groups.
    • Topics include hydrocarbons, alcohols, aldehydes, ketones, carboxylic acids, and derivatives.
    • Includes isomors, bonding, hybridization, and reactions of these compounds.
    • Includes a section on acids and base reactions, common reagents, and oxidation/reduction reactions.
    • Contains information on nucleophiles and electrophiles, leaving groups, chemoselectivity, and various reaction mechanisms.
    • Also includes sections on alcohols, phenols, and their different reactions.
    • Also covers aldehydes and ketones, including their nomenclature, reactions, and properties.
    • Also includes a section on carboxylic acid reactions, synthesis, and properties.
    • Includes sections on different types of chromatography for separation and purification of compounds.
    • Contains information on common organic compounds (e.g. carbohydrates, amino acids, nucleotides) and their structures along with physical and chemical properties.
    • Introduces concepts of isotopes and chemical bonds involved in functional groups.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    Organic Chemistry Flashcards PDF

    Description

    This quiz provides a comprehensive set of flashcards covering key concepts in organic chemistry, including naming conventions, functional groups, and reaction mechanisms. Topics range from hydrocarbons to carboxylic acids, detailing isomers, hybridization, and more. Ideal for reinforcing understanding in preparation for exams or further studies.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser