1. The compound below is in equilibrium with two acyclic molecules upon addition of water and...
What is the relationship of the following two compounds? CHO O нон н сн,он HOH HOCH Сн,он Diastereomers Enantiomers Same Compound None of the above Vhat is the relationship of the following two compounds? CHO нь он н он H оно н -CH,он нон ван Сн,он Diastereomers O Enantiomers Same Compound O None of the above
What is the relationship of the following two compounds?
Diastereomers
Enantiomers
Same Compound
None of the above
CHO н -он оно н н -он н —Сн, он н-он нон Сн,он
30. Which of the choices below is the enantiomer of D-glucose? сно сно нон HO-EH сно на-он D-glucose Іно-Ен н -он но-Ен EH,OH сно но н-он но -н нон Сн,он но-Ен на-он но -н но-Ен н -он нон CHO но -н н-он но-Ен нон снен CHOH Сн,он 3. Which of the following structures is an a-anomer? Сн,он —о, он o ноноон нонс осн он — о оно сн, он он онон он он он он тон КСн,он y CH, OH...
1. Examine the structural formulas of the three biological molecules A, B, and C shown below. (NOTE: The zigzag lines and polygons represent carbons with C-H bonds omitted!) н. сн, Н,с. сн C H OH H,с н HO C-H Ш сн, H2C-o H C OH П I HC-0 H -C OH но Hас—о CH-он C В Circle the polar sites on each of these molecules a. b. Which of these molecules is/are soluble in water? Explain briefly.
A compound has the 'H NMR spectrum shown below. Identify the compound. 11 10 9 00 7 6 UI 4 3 2 1 O None of these compounds fit the spectrum that is shown here. CN O Me H A compound has the 'H NMR spectrum shown below. Identify the compound. 3H triplet 2H triplet 2H 11 10 9 00 7 0) 5 4 3 N 1 0 None of these compounds fit the spectrum that is shown here. A...
O ADVANCED MATERIAL Identifying acids and bases by their reaction with water Some chemical compounds are listed in the first column of the table below. Each compound is soluble Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. The important ch written in the second column of the table. Use the checkboxes to classify each compound. type of compound (check all that apply) important species present when dissolved in water compound...
In each compound below, two protons are clearly identified. Determine which of the two protons is more acidic. он н . NH2 Но (a) (b) (c) SH но (d) (e) (f) H но ОН (h)
Describe the relationship between the following two molecules: Он H H он но н Он Diastereomers Conformational isomers Enantiomers Constitutional isomers Identical molecules Tries 0/1 Submit Answer Describe the relationship between the following two molecules: Enantiomers A meso compound Diastereomers Identical molecules Constitutional isomers Conformational isomers Tries 0/1 Submit Answer
For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molec of the compound and molecules of water hydrogen-bonding force compound Between molecules of the compound and molecules of water? Between molecules of the formula or Lewis name structure compound? Oves yes сн,о formaldehyde no no н н yes yes Н-с-с-н ethane no no H н н yes yes methanimine H-C N-H no noi Explanation Check O C
H HA How many peaks would be expected for A in a H NMR spectrum for the above compound? 3 8 4 6 rio NaOH + H2O What is the major product of the above reaction? OCH, OCH 00 С Rank the above compounds in order of decreasing reactivity in electrophilic aromatic substitution reactions C>A>B>E>D O C>E>A>B>D OC>D>E>A>B C>D>A>B>E 1) CH3CH2MgBr (xs) 2) H30* What is the major product of the reaction? OH HO OH HO No reaction ОН PCC...