Preview File Edit View Go Tools Window Help Question 1 Search The molecule shown

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Preview File Edit View Go Tools Window Help Question 1 Search The molecule shown below is called ketene. Determine the hybridization states for each C and O atom in ketene. Cac Outside Catom Middle C atom O atom O sp O sp3 O sp O sp O sp O sp2 sp sp Screen shot 2015-0...5.54 AM El 100% Sun 2:28 AM E Question 2 Search Squaric acid has a pKa of 1.5, making it much more acidic than many carboxylic acids (typical pKa values of 4-5). One of the reasons for its acidity is resonance stabilization of its conjugate base, which is shown below. Add curved arrows to the structure on the left to show how it is converted to the other resonance contributor shown to the right. Question 3 a Search Below is the structure for the antibiotic mycomycin. How many sp3, spe, sp hybridized carbons does it have? HC Number Number Number

Explanation / Answer

1) first C sp2    middle C sp   oxygen sp2

3) 2 sp3

   7 sp2

5 sp

for question it is not clear.

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