Which of the following is a characteristic of the given compound? a) It is soluble in water. b) It has a pKa of about 10. c) It readily reacts with NaOH to form a sodium salt. d) All of these are characteristics of the compound.
Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
Which of the following is a characteristic of the given compound?
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![**Molecular Structure of Lactic Acid**
The image depicts a three-dimensional molecular model of lactic acid, an important compound in biochemistry known as 2-hydroxypropanoic acid.
**Structural Breakdown:**
- **Atoms Identification:**
- **Carbon Atoms (Black Spheres):** Represent the carbon atoms in the molecule.
- **Oxygen Atoms (Red Spheres):** Represent the oxygen atoms.
- **Hydrogen Atoms (White Spheres):** Represent the hydrogen atoms.
- **Bond Representation:**
- **Single Bonds:** Shown as single lines between atoms, indicating a single covalent bond (e.g., C-H bonds).
- **Double Bond:** Shown as two parallel lines between carbon and oxygen atoms, indicating a double covalent bond (e.g., the C=O bond).
**Lactic Acid Structure Explanation:**
1. **Carbon Backbone:**
- The lactic acid molecule comprises three carbon atoms. Two of these carbon atoms are singly bonded to each other, and the third carbon is bonded to an oxygen atom through a double bond.
2. **Functional Groups:**
- **Hydroxyl Group (-OH):** Attached to the second carbon atom, the presence of this group classifies lactic acid as an alpha-hydroxy acid.
- **Carboxyl Group (-COOH):** Present at the end of the molecule, attached to one of the carbon atoms. This group features a carbon double-bonded to an oxygen atom and single-bonded to a hydroxyl group.
3. **Hydrogen Atoms:**
- Attached to carbon atoms to satisfy the valency requirements of carbon (which forms four bonds).
This structural representation is important for understanding the chemical properties and behavior of lactic acid in various biochemical processes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffa175911-e654-4b68-8c14-4086056f9fd7%2F3907c336-f640-43cf-b865-4a911abcf9c9%2Fefndp6m_processed.png&w=3840&q=75)
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