HO 10. (2 points) what color would you expect for a dye with this structure? Explain...
The following aldol reaction can produce 4 products. Select the structure that is not a possible product of the following reaction. (5 points) NaOH Д. І. Н Н но ОН ОН ОН ОН Улт хи HO A B с E Enter Your Answer: од ов о D ОЕ ок
question 3 please
2. (3 Points) of the following 3 azo dyes, one is yellow, one is purple, and one is green. Indicate which dye is which color and explain your reasoning. OOH Hoo OH ON SO H HO NO2 но Azo Dye A Azo Dye B Azo Dye C 3. (3 Points) Draw the starting materials (diazonium salt and aromatic nucleophile) that would be required to make Azo Dye A from question 2.
#1
please answer all components.
Question 1 (6 points) Consider the following fatty acids. Label each one as saturated, monounsaturated, polyunsaturated, or trans. Circle the one you would expect to have the lowest melting point. Draw a rectangle around the one you would expect to be the most resistant to oxidation но но но HO
Question 1 (6 points) Consider the following fatty acids. Label each one as saturated, monounsaturated, polyunsaturated, or trans. Circle the one you would expect to...
2.35 x 10-4 g of a purple dye was combined with 50.0 mL, for a final concentration of 27.5 µM. What is the molar mass of the dye? Answer: 171 g/mol a. The same dye solution was found to have an absorbance of 0.381. What color of light would you expect for its λmax? What is the molar absorptivity? Answer: λmax at yellow, 13900 M-1 cm-1
What would you expect to see in the UV spectrum of the following molecule? Graph your answer and label absorption bands. You don't need to provide specific wavelengths but please explain your answer. [10 pts] он
3. In what range of wavelengths would you expect a red dye to be most effective at absorbing radiation? 4. What is the mathematical relationship between transmittance and absorbance? 5. Give a verbal description of Beer's law. 6. What equation governs volumetric dilutions?
Question 8 4 pts What types of splitting patterns would you expect in the proton NMR spectrum of the molecule shown below? Mark all that apply. es doublet singlet A triplet с quartet D sextet E B ОА OB Ос OD ОЕ Question 9 4 pts Which compound corresponds to the H NMR spectrum below? (Integral values are indicated above/beside signals.) 3 3 2 1 0 2 PPM FO 6 ho La А B с D E OB o D...
I just need help understanding question 4 and how
structure affects homo-lumo gap.
Dye - 1B 16 TT A T 28 2C Color Yollow Yellow ced Rod 476.35 Rod | 473.9 Rod | 461.77 Yollow 39.5 Amar (nm) 407.55 | 395.45 b. (0.5 points) How different are the colors of dyes 1A and 1B? (circle one) The same slightly different very different C. (0.5 points) How different are the colors of dyes 1A and 2A? (circle one) The same slightly...
Show how you would accomplish the following conversions a)
trans-hex-3-ene to meso-hexane-3-4-diol. Please explain when to
rotate. Thank you !
Show how you would accomplish the following conversions. trans-hex-3-ene to meso-hexane-3,4-diol . ~ CH,C01H HO Chocolate HO rotate CH,CO,H HO HO HO OH Submit Request Answer Part D trans-hex-3-ene to (0,2)-hexane-3,4-diol ~ Ho t do anemie van OSO. rotate racemic (d.1) HO Но он ~ rotate CH CO, HO CHCOM enten met racemic (d.1) HOOH CHICOH HO racemic (d.1) Но...
3. Circle the molecule would you expect to have the higher melting point and explain your choice. ОН 4. The following is a generic reaction equation for a Fischer Esterification. H+ R'-OH Н.О R' ОН R' OR' How would you increase the yield of the ester product? a. What effect does the acid catalyst have on the position of equilibrium? b. c. The forward reaction is an esterification. What is the reverse reaction called? 5. Name one of the noncovalent...