Advertisements
Advertisements
Question
Is the following sugar, D-sugar or L-sugar?
Advertisements
Solution
L-sugar
\[\begin{array}{cc}
\phantom{.....}\ce{^1CHO}\\
\phantom{...}|\\
\ce{HO - ^2C - H}\\
\phantom{...}|\\
\phantom{........}\ce{\underset{L-Glyceraldehyde}{^3CH2OH}}
\end{array}\]
Because the H and OH on C4 carbon is in the same configuration as the H and OH on C2
carbon in L-Glyceraldehyde.
APPEARS IN
RELATED QUESTIONS
Which of the following monosaccharides is a tetrose sugar?
Fructose is the fruit sugar and chemically it is ketohexose but it has a ______ rather than a ______.
One mole of a carbohydrate on hydrolysis gives one mole of glucose and one mole of galactose. Identify the carbohydrate.
Identify the number of secondary carbon atoms in glucose.
Which among the following reagents is used to confirm the presence of carbonyl group in glucose?
Which among the following reagents is used to obtain gluconic acid from glucose?
When one mole of lactose is hydrolysed, the hydrolysate contains ____________.
Write the structure of α-D (+) glucopyranose.
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
What are the number of chiral carbon atoms and the number of formyl groups, respectively, present in ribose?
