Which of the following explanation best describes the differences between the mo

Question

Which of the following explanation best describes the differences between the molecules labeled "5", "HPSensor 1", HPSensor 2", and "HPSensor 3"? The extent of conjugation increases from molecule "5" to "HPSensor 3". For this dye series, the more conjugated the molecule the larger the energy difference between the HOMO and LUMO, which results in a smaller wavelength absorbed. O A The functional group changes to a more electron withdrawing group from molecule "5" to "HPSensor 3": For this dye series, the more electron withdrawing the group the larger the energy difference between the HOMO and LUMO, which results in a larger wavelength absorbed. O B There are no systematic changes that can be hypothesized from the data provided. The different substituents are all electron withdrawing to similar degrees yet there are changes in the wavelengths absorbed. The functional group changes to a more electron donating group from molecule "5" to "HPSensor 3": For this dye results in a smaller wavelength absorbed The extent of conjugation decreases from molecule "5" to "HPSensor 3". For this dye series, the less conjugated the absorbed. O D series, the more electron donating the group the larger the energy difference between the HOMO and LUMO, which OE molecule the larger the energy difference between the HOMO and LUMO, which results in a smaller wavelength

Explanation / Answer

from figure1 observed that the enegy gap beteween HOMO and LUMO is increased. From this obeservation, concluding that the functional group changes to a more electron donating group from ''5'' to ''HP sensor3". For this dye series the more electron donating group the larger the energy difference between the HOMO and LUMO, which results in a smaller wavelength absorbed

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