in a given haworth projection represent the cyclic sugars as having essentially planar ring with the OH at anomeric C1 extending above the ring is beta anomer
40.) Which of the following represents a ß-anomer? CH2OH CH OH CH OH OH OH OH...
40.) Which of the following represents a ß-anomer? CH2OH CH OH CH OH OH OH OH OH 해 CH2OH IH OH A) I and II only B) II and III only C) I and III only. D) I, II and III are all B-anomers.
38.) Which of the following is a pyranose ring? CH OH CH,Ho H OH OH Індон A) I only B) II only C) Both I and II are pyranose rings. D) Neither I nor II are pyranose rings. 39.) In the pyranose form of D-glucose, the-OH on the anomeric carbon atom in the a-form is to carbon 6, while in the B-form it is to carbon 6. A) trans, cis B) cis, trans C) trans, trans D) cis, cis 40.)...
six questions plz help i leave rating The missing product from the following reaction is OH NaOH + H20 COH Co Na* H A OrNa* A B C D Question 28 What is the name of the following ether compound? • Previous Which carbon is the alpha, a, carbon? I HO III II IV 11 III IV EXC o Na OH O" Na O Na OH Na Is this monosaccharide a Dor L sugar? CH2OH C=0 H ОН H ОН...
Which of the following sugars are ketohexoses? OH CH2OH OH HO CH2OH CH2OH OH OH OH CH20H OH OH OH HO HO OH 0 0 OH OH CH OH OH OH OH CH20H Which of the following sugars are ketohexoses? OH CH2OH OH HO CH2OH CH2OH OH OH OH CH20H OH OH OH HO HO OH 0 0 OH OH CH OH OH OH OH CH20H
17. Which compound is a tertiary alcohol? CH, OH CH, H. COH CH, -OH III A) I B) II C) III D) IV E) V 18. Which compound is a primary amine with the formula CsHN? CH₂ NH₂ >>CH CHỌNH, A) 1 B) II C) III D) IV E) V 19. Which compound is an alcohol? A) CH,CONH сH3CCH3 O C) CH3COCHỊCH D) CHỊCHO E) (CH),COH
Which of the following alcohols dehydrates with the fastest rate I. CH3 -ОН IV. CH СН3 OH o -CH2OH но CH: HO Select one: O a. II O b. III O c. IV O d. V O e.
Assuming the presence of heat the products of the following reactions are: CH2OH OCH --CH CH3OCH I, III I, II, III III, v II, IV, V II, III
I need some help to answer these following questions. Thanks. 41. Which molecule(s) is/are aromatic? I1 IV (A) I only (C) I, III, and IV (B) I and IV (D) I, II, III, and IV OH OH 42. Which Fischer projection represents this structure? HO OH OH H CHO CHO (A) H-OH (B) HOH HOH CH2OH CH2OH CHO HOH CHO но -н CH2OH CH2OH 43. Which is a product of this ozonolysis reaction? 1.03 2. (CH3)2S H O I BHs/THF...
the data is not wrong 3. HO-CH-CHOH-CHOH-CH-CH2OH This is a(n) (A) nonreducing sugar (B) aldonic acid (C) aldohexose (D) pyranose HOCH 4. HO H,0* HO CH,CH2OH HO OH HOCH, HOCH, HO HO OCH.CH + HO- HO HO HO OCH.CH I II The product/products of this reaction is/are (A) I (B) II (C) I and II (D) neither
22. Which of the following structures has the Sconfiguration? CH2CH3 CH2CH3 HECCI ......CH н OH ну H2CH2C сна A) Only 1 B) Only II C) Only I and II D) I, II and III 23. Which of the following structures has the configuration? CH,CH, CH.CH OH ...CHHECH H HỊCHẠC \ D) I, II and III A) Only I B) Only II C) Only I and II 24. What is the relationship between the following compounds? OH om B) Diastereomers C)...