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Questions and Answers

Which of the following LEAST describes an organic compound?

  • It always comes from a living source. (correct)
  • It is composed of covalently bonded carbon atoms.
  • Light molecular weight compounds are combustible.
  • None of the above.
  • What is the hybridization of the carbonyl carbon in acetone, CH₃COCH₃?

  • sp3d2
  • sp
  • sp2 (correct)
  • sp3
  • What is the type of bond that exists between C11 and Cl?

  • polar covalent (correct)
  • polar coordinate covalent
  • non-polar covalent
  • non-polar coordinate covalent
  • Which of the following is NOT a constitutional isomer with the others?

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

    Among the ortho, meta and para isomers of xylene, which has the highest boiling point?

    <p>ortho-xylene</p> Signup and view all the answers

    What is the degree of unsaturation of the compound below?

    <p>6</p> Signup and view all the answers

    Which is the most acidic among the following compounds?

    <p>CH₃COOH</p> Signup and view all the answers

    What is the correct order of bonds 1, 2 and 3 according to increasing bond length?

    <p>1, 2, 3</p> Signup and view all the answers

    Which material is required for cuvettes when working at wavelengths below 300 nm?

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

    What is the correct sequence of light travel in a spectrophotometer?

    <p>Source – Monochromator – Sample – Detector</p> Signup and view all the answers

    What is the name of the funnel used in suction filtration?

    <p>Büchner funnel</p> Signup and view all the answers

    What is the purpose of the setup indicated by the arrow in the given apparatus?

    <p>Heat a reaction mixture under reflux</p> Signup and view all the answers

    What is the process called that releases pressure buildup during liquid-liquid extraction?

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

    Which distillation method is suitable for heat-sensitive components?

    <p>Steam distillation</p> Signup and view all the answers

    Which method is most effective for purifying a synthesized solid product?

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

    In a calibration curve, absorbance is plotted against what variable?

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

    Which functional group is primarily responsible for the flavors in wine?

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

    Which reagent is NOT typically used for the hydrogenation of an alkyne?

    <p>BH₃/H₂O₂, NaOH</p> Signup and view all the answers

    Which type of alkyl halide is most reactive in SN1 reactions?

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

    What is the name of the compound characterized by the formula C₆H₅MgBr?

    <p>phenylmagnesium bromide</p> Signup and view all the answers

    Which compound is NOT a product of alkene oxidation?

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

    What product results from the Friedel-Crafts alkylation of nitrobenzene?

    <p>para-nitrotoluene</p> Signup and view all the answers

    When 1-butanol reacts with PCC, what is the product formed?

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

    What is the hybridization state of the carbon atom in a carboxyl group?

    <p>sp2</p> Signup and view all the answers

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