Most deshielded proton would be Hb.
Question 4 (1 point) Which proton will be the most deshielded of the ones shown below?...
Question 3 (1 point) Which proton will be the most deshielded of the ones shown below? Ho Ho
Which proton is the most acidic? нь на CO CHE Н. о о HO HO Select one: Оа. На ob. Hb Ос. Нc
Shown below are the starting material propiophenone (1), and the product of alpha d. bromination (2), Determine how each compound could be easily identified by HNMR of the alkyl substituent by identifying the approximate chemical shift, integration, and splitting you would observe for the protons labeled in each compound. 4pts Ph Splitting: s,d, t, q, m Proton Approx. shift, ppm Integ. На CH2 a CH3 b НЬ Ph Splitting: s,d, t, q, m Br Proton Approx. shift, ppm Integration CH...
Question 3 MCnmr2 Identify the most deshielded carbon atom in the following structure as that labelled A, B. cor D CH Question 4 MC25n Which compound has the following nmr spectrum? 6H 3H singlet doublet 1H doublet riplet 1H septet 1H 1H doublettriplet 8 5 4 3 2 0
Question 37 (1 point) The American election system differs significantly from most European ones in which of the following ways? It includes free and fair elections. It includes voting rights for all citizens. It includes little party involvement It includes primary elections. It includes proportional representation
QUESTION 16 Which hydrogen would be removed in an E2 reaction? нь На . HC Hd о На о нь Не Hd QUESTION 17 QUESTION 17 Which compound has the highest lambda max (or the smallest HOMO-LUMO gap) in the UV-vis spectrum? 11 III IV 0 0 0 0 IV QUESTION 18 How many aldol products could result from the following reaction? Til NaOH heat 2 0 0 0 0 3 QUESTION 19 QUESTION 19 Which type of atom is...
1. Identify the most acidic proton on each of the molecules shown below. (8 pts.) Но. OH
І. 7. Indicate which compound of the ones listed below would be expected to have the highest boiling point. САз сенсіз С САз н с аlѕ аѕ Слс - Сн, си, 8. Draw the 2 chair conformations of cis-1,3 dimethylcyclohexane. Ina stable. Cyclohexane. Indicate which is the most 9. Which energy diagram below indicates a 1 step reaction that is exothermic? 10. Which carbocation below is the most stable? Ca CH₂2 .CHCH e the product or products that would be...
MULTIPLE CHOICE Which alpha proton in the molecule below is the most acidic? dc toiteli Zoom А D С D 1 of 15 > > MULTIPLE CHOICE All of the compounds shown below have an enol tautomer. Which compound's enol exists in the highest percentage enol form? Q Zoom он Х. 0 а b с р
My answers are: Question 1: False Question 4: proton transfer with a pK close to 4 Question 5: the active site contains an aspartic acid and glutamic acid, both of which must be deprotonated Question 8: 2 histidine residues with somewhat different pKa values act as acids and bases during catalysis Can someone please check my answers? Question 1 (1 point) Cellulose and glycogen are both structural polysaccharides True False Question 4 (1 point) _ in the A pH versus...