Chemistry Basics Quiz
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Questions and Answers

Which scientific study focuses on the properties and behavior of matter?

  • Botany
  • Biology
  • Physics
  • Chemistry (correct)
  • What makes up compounds studied in chemistry?

  • Organisms and cells
  • Protons, electrons, and neutrons
  • Genes and chromosomes
  • Molecules, ions, and atoms (correct)
  • What is sometimes called the central science due to its role in providing a foundation for understanding various scientific disciplines?

  • Biology
  • Geology
  • Chemistry (correct)
  • Physics
  • In which scientific discipline does chemistry provide a foundation for understanding basic and applied scientific disciplines?

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

    Which scientific discipline explores the nature of chemical bonds in compounds?

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

    What is the intermediate position that chemistry occupies within the natural sciences?

    <p>Between physics and biology</p> Signup and view all the answers

    What is the correct etymology of the word 'chemistry'?

    <p>Derived from the Ancient Greek word χημία</p> Signup and view all the answers

    What is the current model of atomic structure?

    <p>Quantum mechanical model</p> Signup and view all the answers

    In traditional chemistry, what are the interactions, reactions, and transformations studied as a result of?

    <p>Interactions between atoms</p> Signup and view all the answers

    What is a chemical reaction?

    <p>A transformation of some substances into one or more different substances</p> Signup and view all the answers

    How are chemical substances classified?

    <p>In terms of their phase and chemical compositions</p> Signup and view all the answers

    What are chemical substances analyzed using?

    <p>Tools of chemical analysis</p> Signup and view all the answers

    What are the number of atoms on the left and the right in the equation for a chemical transformation?

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

    What is the basis of a chemical transformation?

    <p>Rearrangement of electrons in the chemical bonds between atoms</p> Signup and view all the answers

    What is the modern word 'alchemy' derived from?

    <p>The Arabic word al-kīmīā</p> Signup and view all the answers

    What does chemistry traditionally start with?

    <p>Study of elementary particles, atoms, molecules, substances, metals, crystals and other aggregates of matter.</p> Signup and view all the answers

    What type of reaction involves the replacement of hydrogen atom(s) in an aliphatic or aromatic hydrocarbon by halogen atom(s)?

    <p>Substitution reaction</p> Signup and view all the answers

    Where are halogen atom(s) attached in haloalkanes and haloarenes?

    <p>sp3 hybridised carbon atom of an alkyl group, sp2 hybridised carbon atom(s) of an aryl group</p> Signup and view all the answers

    What is the resistance of halogenated compounds to breakdown by soil bacteria attributed to?

    <p>Their stability in the environment</p> Signup and view all the answers

    In which class of compounds do halogen containing organic compounds occur naturally?

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

    What tool can be used for understanding the reaction mechanism of haloalkanes and haloarenes?

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

    What are some wide applications of haloalkanes and haloarenes mentioned in the Unit objectives?

    <p>Wide applications in industry and day-to-day life</p> Signup and view all the answers

    Which class of compounds includes the compounds where the halogen atom is directly bonded to the sp2-hybridised carbon atom of an aromatic ring?

    <p>Aryl halides</p> Signup and view all the answers

    What is the homologous series represented by alkyl halides?

    <p>CnH2n+1X</p> Signup and view all the answers

    Which type of compounds have the halogen atom bonded to an sp3-hybridised carbon atom adjacent to a carbon-carbon double bond?

    <p>Allylic halides</p> Signup and view all the answers

    What are fully fluorinated compounds being considered as potential for in surgery?

    <p>Blood substitutes</p> Signup and view all the answers

    What is the name for compounds where the halogen atom is bonded to an sp3-hybridised carbon atom attached to an aromatic ring?

    <p>Benzylic halides</p> Signup and view all the answers

    Which class includes compounds where the halogen atom is bonded to a sp2-hybridised carbon atom of a carbon-carbon double bond?

    <p>Vinylic halides</p> Signup and view all the answers

    What is chloramphenicol used for?

    <p>Treatment of typhoid fever</p> Signup and view all the answers

    What causes a disease called goiter?

    <p>Deficiency of iodine</p> Signup and view all the answers

    What is the classification of mono, di, or polyhalogen compounds based on?

    <p>Number of halogen atoms in their structures</p> Signup and view all the answers

    What is the classification on the basis of hybridization of the carbon atom to which the halogen is bonded?

    <p>Primary, secondary, or tertiary alkyl halides</p> Signup and view all the answers

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