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3.5: Quiz 5

  • Page ID
    408611
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    1. Consider the molecule \(\mathrm{OBr}^{-}\).

    a. Fill in the MO diagram for the molecule using arrow notation. Label each atomic orbital side with the correct atom. (2 pts)

    Screen Shot 2022-08-31 at 10.34.47 PM.png

    b. What is the bond order? (1 pt)

     

    2. Allene is a compound with formula \(\mathrm{C}_3 \mathrm{H}_4\) with the following Lewis dot structure:

    Screen Shot 2022-08-31 at 10.35.55 PM.png

    a. Give the hybridization for all the carbons in the allene. (1 pt)

    b. Label the individual bonds as sigma or pi bonds. (1 pt)

    c. List the intermolecular interactions that could happen between only an allene and an allyl alcohol molecule. Allyl has the following structure: (1 pt)

    Screen Shot 2022-08-31 at 10.36.44 PM.png

    d. Rank the following in order of ascending boiling point: pure allene, a mixture of allene and allyl alcohol, and pure allyl alcohol. (1 pt)

     

    3. Given the visible spectrum below, answer the following questions.

    Screen Shot 2022-08-31 at 10.37.34 PM.png

    a. If you shine a violet light onto a red small LED, how much heat energy will a promoted electron in the red small LED dissipate? (2 pts)

    b. Rank the amount of heat energy dissipated in the mystery LED, a red LED, and a blue LED if you were to shine a violet light onto them. (Hint: use your GB to help LEaD you to the answer ) (1 pt)


    This page titled 3.5: Quiz 5 is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Donald Sadoway (MIT OpenCourseWare) .

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