Chemistry: Boiling Points of Alcohols and Grignard Reagent Reaction
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Questions and Answers

In the preparation of benzoic acid, which reagent is used to oxidize the primary alcohol?

  • PCC (pyridinium chlorochromate) (correct)
  • LiAlH4 (lithium aluminum hydride)
  • NaBH4 (sodium borohydride)
  • Grignard reagent

    • Which of the following is a possible orientation for trans-1,2-dimethylcyclohexane?

  • Equatorial-equatorial
  • Equatorial-axial
  • Axial-axial
  • Axial-equatorial (correct)

    • What is the boiling point trend for alcohols as the number of carbon atoms increases?

  • Boiling point is not affected by carbon atoms
  • Remains constant regardless of carbon atoms
  • Decreases with increasing carbon atoms
  • Increases with increasing carbon atoms (correct)

    • How many amino acid units are present in insulin?

    <p>20</p> Signup and view all the answers

    What would be the most likely product when a Grignard reagent reacts with a carbonyl group?

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

    Which compound would have the highest boiling point?

    <p>$C_4H_{10}O$</p> Signup and view all the answers

    What is the name of the reaction used to convert benzene to benzoic acid?

    <p>Friedel-Crafts acylation</p> Signup and view all the answers

    Which of the following is true about the orientation of methyl groups in trans-1,2-dimethylcyclohexane?

    <p>$axial &gt; equatorial$</p> Signup and view all the answers

    'Insulin' is an example of a peptide composed of how many amino acids?

    <p>$50$</p> Signup and view all the answers

    What is the key concept in chemical kinetics that involves the concentration of reactants and the order of the reaction?

    <p>Rate law</p> Signup and view all the answers

    In an electrochemical cell, where does oxidation occur?

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

    Which equation is used to calculate reaction rates in chemical kinetics?

    <p>Rate law equation</p> Signup and view all the answers

    What type of cells generate electricity through spontaneous redox reactions?

    <p>Galvanic cells</p> Signup and view all the answers

    What is the significance of the Nernst equation in electrochemistry?

    <p>Predicting cell potential under non-standard conditions</p> Signup and view all the answers

    What is the fundamental concept described by the Nernst equation?

    <p>Relationship between cell potential and concentrations of reactants and products</p> Signup and view all the answers

    Which key concept is associated with coordination compounds?

    <p>Coordination number</p> Signup and view all the answers

    What is a crucial aspect studied in surface chemistry related to catalysis?

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

    In electrochemistry, what type of bond is involved in chemisorption?

    <p>Strong covalent or ionic bonds</p> Signup and view all the answers

    Which type of reaction occurs on the surfaces of solids, liquids, or gases according to surface chemistry?

    <p>Adsorption reactions</p> Signup and view all the answers

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