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

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

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

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

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

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

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

What is the current model of atomic structure?

<p>Quantum mechanical model (C)</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 (B)</p> Signup and view all the answers

What is a chemical reaction?

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

How are chemical substances classified?

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

What are chemical substances analyzed using?

<p>Tools of chemical analysis (C)</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 (C)</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 (B)</p> Signup and view all the answers

What is the modern word 'alchemy' derived from?

<p>The Arabic word al-kīmīā (D)</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. (D)</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 (D)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Stereochemistry (D)</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 (D)</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 (A)</p> Signup and view all the answers

What is the homologous series represented by alkyl halides?

<p>CnH2n+1X (B)</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 (C)</p> Signup and view all the answers

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

<p>Blood substitutes (B)</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 (D)</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 (C)</p> Signup and view all the answers

What is chloramphenicol used for?

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

What causes a disease called goiter?

<p>Deficiency of iodine (D)</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 (A)</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 (D)</p> Signup and view all the answers

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