Author Question: Use the information below to answer the following questions. a) Which of the above ... (Read 76 times)

futuristic · **on:** Aug 23, 2018

Use the information below to answer the following questions.

a)
Which of the above represent an aldose?

a. only 1 and 2

b. only 1 and 3

c. only 2 and 3

d. 1, 2 and 3

b)
Which of the above would not be oxidized by an aqueous solution of Br₂?

a. only 1

b. only 2

c. only 3

d. all of these

Question 2

Which of the following has a D-configuration?

a.
only 1 and 2
b.
only 1 and 3
c.
only 2 and 3
d.
only 1, 2 and 3

Question 3

Refer to the carbohydrate below to answer the following questions.

a)
Which carbon in the carbohydrate is the anomeric carbon?

b)
Does this represent an a or b-anomoer?

Question 4

What is the relationship between D-erythrose and D-threose?

a.
they are constitutional isomers
b.
they are enantiomers
c.
they are diastereomers
d.
they are tautomers

Question 5

Which reagent would be best suited for the transformation shown?

a.
alkaline Cu²⁺ in H₂O
b.
Ag⁺ in H₂O/NH₃
c.
H₂, with Ni catalyst
d.
NaNO₃ at 0C
e.
NaBH₄ in H₂O

Question 6

Which of the following could not form a pyranose?
a.
D-threose
b.
D-ribose
c.
D-lyxose
d.
D-glucose
e.
D-galactose

courtney_bruh · **Reply #1 on:** Aug 23, 2018

Answer to Question 1

a)
b

b)
b

Answer to Question 2

b

Answer to Question 3

a)
a

b)
a-anomer

Answer to Question 4

c

Answer to Question 5

b

Answer to Question 6

a