3. The absorption spectra of the acidic and basic forms of methyl orange are shown below. Absorbance 1 0.8 0.6 0.4 0.2 0 Methyl Orange in Acidic and Basic Solutions Violet Indigo Yellow Orange 400 Blue 450 1 espe 500 Green 550 600 Wavelength (nm) Red 650 1 700 a) Which of the compounds, the solid line or dashed line, absorbs more light in the yellow and orange region? b) Consider your answer to part a), which compound appears orange rather than red? Explain your reasoning.

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3. The absorption spectra of the acidic and basic forms of methyl orange are shown
below.
Absorbance
1
0.8
0.6
0.4
0.2
0
Methyl Orange in Acidic and Basic Solutions
Violet Indigo
Yellow Orange
| |
400
65
C399
Blue
450
500
Green
550
600
Wavelength (nm)
GOODS
Red
650
700
a) Which of the compounds, the solid line or dashed line, absorbs more light in the
yellow and orange region?
b) Consider your answer to part a), which compound appears orange rather than red?
Explain your reasoning.
Transcribed Image Text:3. The absorption spectra of the acidic and basic forms of methyl orange are shown below. Absorbance 1 0.8 0.6 0.4 0.2 0 Methyl Orange in Acidic and Basic Solutions Violet Indigo Yellow Orange | | 400 65 C399 Blue 450 500 Green 550 600 Wavelength (nm) GOODS Red 650 700 a) Which of the compounds, the solid line or dashed line, absorbs more light in the yellow and orange region? b) Consider your answer to part a), which compound appears orange rather than red? Explain your reasoning.
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