Difference between Haworth projection and Fischer projection are groups on the?
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Answer:
Glucose is a group of carbohydrates which is a simple sugar with a chemical formula C6H12O6. It is made of six carbon atoms and an aldehyde group. Therefore, it is referred to as an aldohexose. It exists in two forms viz open-chain (acyclic) form or ring (cyclic) form.
The primary source of energy required for living organisms is glucose. Plants and algae prepare glucose during the process of photosynthesis with the help of water, sunlight, and carbon dioxide. It is naturally found in fruits, honey. Glucose in animals is obtained by the process of glycogenolysis.
1. Steps to Draw Open Chain Structure of a Glucose Molecule
Follow the steps given below to draw an acyclic form of glucose.
Step 1: Draw 6 carbon atoms
Step 2: Draw extended arms for all the carbon atoms excluding the first one.
Step 3: Now draw hydrogen to carbon bond such that four are on one side and one on the other side.
Step 4: The remaining spaces should be filled with an OH group. (Important – transpose
(OH) to —> (HO) for the left side to show that the oxygen is bonded to carbon)
Step 5: Complete the ends with two single-bonded hydrogen bond and one double-bonded carbon.
Open Chain Structure Of Glucose
Open Chain Structure of a Glucose Molecule
2. Steps to Draw a Ring Structure of a Glucose Molecule
Follow the steps given below to draw a cyclic form of glucose.
Step 1: Construct a hexagon
Step 2: Draw carbon atoms at 5 consecutive edges.
Step 3: Attach an oxygen atom at the left out edge.
Step 4: Attach the 4 carbon atoms with H and OH groups.
Step 5: Complete the structure by attaching the left out carbon atom to two hydrogen atoms, OH group, and one carbon atom.
Ring Structure Of Glucose
Ring Structure of a Glucose Molecule
Glucose Properties:
Glucose Formula C6H12O6
Glucose Molar mass 180.156 g/mol
Glucose Chemical Formula C6H12O6
IUPAC Name D-Glucose
Structure of Fructose
Fructose is a monosaccharide which is a simple sugar with a chemical formula C6H12O6. It is also called as fruit sugar. It was discovered in the year 1847 by a French chemist Augustin-Pierre Dubrunfaut. It consists of a 6-carbon polyhydroxy ketone.
Crystalline fructose occurs as a cyclic six-membered structure delinquent to the stability of the hemiketal and internal hydrogen-bonding. This form is called D-fructopyranose. It mainly occurs in honey, vine fruits, most root vegetables, berries, and flowers. Commercially it can be obtained from sugar beets, maize, and sugar cane.
Open Chain and Ring Structure of a Fructose Molecule
The cyclic structure of fructose is given below:
Cyclic Structure of Fructose
The Fischer projections of D- and L-fructose is given below:
Fructose Properties
Dry fructose appears as a white, crystalline solid which is sweet, and odourless. It is soluble in alcohol, water, and ether....