4. Which of the following is the product of the reaction of D-mannopyranose with aqueous Br2solution?COOH華。СООНCO-CH2OHHO HHO HH OHНоHO HH OHНоH.H-HOHO HВ. Н.-H-НоH-A.H OHС.H OHD.H OHCH2OHH OHH-HOHCH2OHСООНČH2OHAnswer:5. Which of the following is not true about the mutarotation of D - glucose, shown belowCHOOHH OHHOHO HHOHOHOHOOHH.OHноO-НоOHCH2OHA. The process occurs in aqueous solution.B. It involves hemiacetal formation.C. The a-anomer is more stable than the 3-anomer.D. At equilibrium, B-anomer predominates than the a-anomer.Answer: For number 2 to 4, consider the structure of D-mannose belowCHOHO H.HO HНо-OHH-HO-CH2OH2. Which of the following aldohexoses is epimeric at C2 with D-mannose?A. D-guloseB. D-altroseC. D-glucoseD. D-galactoseAnswer:3. Which of the following is the represents the Haworth projection of B-D-mannopyranose?CH2OHCH2OHOHOHOHА.OHOHOHOHOHCH2OHCH2OHOHОНO.OHОНOHВ.OHOHOHAnswer:D.C.

As per our guidelines, I will answer only first question because there are multiple questions.…

4. Which of the following is the product of the reaction of D-mannopyranose with aqueous Br2 solution? СООН Но Но COOH CH2OH - но HO Но Но- -H- —н HO H - H- HO H O- HO- ČH2OH А. В. Н- HO- С. H OH D. H- O- H- HO- HO- CH2OH * H- HO- H- H- H- COOH CH2OH Answer:

4. Which of the following is the product of the reaction of D-mannopyranose with aqueous Br2 solution? СООН Но Но COOH CH2OH - но HO Но Но- -H- —н HO H - H- HO H O- HO- ČH2OH А. В. Н- HO- С. H OH D. H- O- H- HO- HO- CH2OH * H- HO- H- H- H- COOH CH2OH Answer:

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

4. Which of the following is the product of the reaction of D-mannopyranose with aqueous Br2
solution?
COOH
華。
СООН
CO-
CH2OH
HO H
HO H
H OH
Но
HO H
H OH
Но
H.
H-
HO
HO H
В. Н.
-H-
Но
H-
A.
H OH
С.
H OH
D.
H OH
CH2OH
H OH
H-
HOH
CH2OH
СООН
ČH2OH
Answer:
5. Which of the following is not true about the mutarotation of D - glucose, shown below
CHO
OH
H OH
HO
HO H
HOHO
HOHO
OH
H.
OH
но
O-
Но
OH
CH2OH
A. The process occurs in aqueous solution.
B. It involves hemiacetal formation.
C. The a-anomer is more stable than the 3-anomer.
D. At equilibrium, B-anomer predominates than the a-anomer.
Answer:

For number 2 to 4, consider the structure of D-mannose below
CHO
HO H
.
HO H
Но
-
OH
H-
HO-
CH2OH
2. Which of the following aldohexoses is epimeric at C2 with D-mannose?
A. D-gulose
B. D-altrose
C. D-glucose
D. D-galactose
Answer:
3. Which of the following is the represents the Haworth projection of B-D-mannopyranose?
CH2OH
CH2OH
OH
OH
OH
А.
OH
OH
OH
OH
OH
CH2OH
CH2OH
OH
ОН
O.
OH
ОН
OH
В.
OH
OH
OH
Answer:
D.
C.

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