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    Organic Chemistry Problems

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    Absorption of UV-visible energy by a molecule results in:

    a. vibrational transitions

    b. rotational transitions

    c. proton flips

    d. electronic transitions.

    2. Which of the following compounds absorbs the longest wavelength of UV-visible light?

    a. 2-butene

    b. 1,4-hexadiene

    c. 1,3-hexadiene

    d. 1,3,5-hexatriene.

    3. What is the absorbance of a sample of isoprene (e = 20,000) of 8.0 x 10-6M solution in a 1 cm cuvette?

    a. 0.16

    b. 1.60

    c. 4 x10 -2

    d. 4 x 10 -10.

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    Solution Preview

    1 is (d) as the UV-visible radiations excite the electrons in a molecule resulting into ...

    Solution Summary

    Correct answers to questions related to organic chemistry are provided along with explanation wherever appropriate.