6. Sucrose is one of the most abundant sugar in the world. About 185 million tonnes of sugar were produced worldwide in 2017. Sucrose is a chiral compound and enantio-pure sucrose has specific rotation [a]3° = +66.5°. CH2OH CH2OH ОН ОН ОН CH2OH ОН OH (+)-Sucrose A sample of synthesized sucrose from organic chemistry lab was tested, and the specific rotation of the sample is [a]3° = +60.1°. a) determine the enantiomeric excess (ee) of the sample. b) calculate the ratio of two enantiomers c) draw the structure of the minor enantiomer in the sample.

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**6. Sucrose Overview**

Sucrose is one of the most abundant sugars in the world. In 2017, approximately 185 million tonnes of sugar were produced worldwide. Sucrose is a chiral compound, and enantio-pure sucrose has a specific rotation of \([\alpha]^{{20}}_{D} = +66.5^\circ\).

**Chemical Structure Diagram**
- The image shows the chemical structure of sucrose, comprising two monosaccharides linked together.
- The structure includes hydroxyl (OH) groups and a glycosidic bond between glucose and fructose units.
- (+)-Sucrose is indicated in the diagram.

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**Analysis of a Synthesized Sucrose Sample**

A sample of synthesized sucrose from an organic chemistry lab was tested, revealing a specific rotation of \([\alpha]^{{20}}_{D} = +60.1^\circ\).

**Tasks:**
a) **Determine the enantiomeric excess (ee) of the sample.**

b) **Calculate the ratio of two enantiomers.**

c) **Draw the structure of the minor enantiomer in the sample.**

---

This section aims to educate on the properties and structural details of sucrose, with a focus on understanding chiral compounds and their analysis in a laboratory setting.
Transcribed Image Text:**6. Sucrose Overview** Sucrose is one of the most abundant sugars in the world. In 2017, approximately 185 million tonnes of sugar were produced worldwide. Sucrose is a chiral compound, and enantio-pure sucrose has a specific rotation of \([\alpha]^{{20}}_{D} = +66.5^\circ\). **Chemical Structure Diagram** - The image shows the chemical structure of sucrose, comprising two monosaccharides linked together. - The structure includes hydroxyl (OH) groups and a glycosidic bond between glucose and fructose units. - (+)-Sucrose is indicated in the diagram. --- **Analysis of a Synthesized Sucrose Sample** A sample of synthesized sucrose from an organic chemistry lab was tested, revealing a specific rotation of \([\alpha]^{{20}}_{D} = +60.1^\circ\). **Tasks:** a) **Determine the enantiomeric excess (ee) of the sample.** b) **Calculate the ratio of two enantiomers.** c) **Draw the structure of the minor enantiomer in the sample.** --- This section aims to educate on the properties and structural details of sucrose, with a focus on understanding chiral compounds and their analysis in a laboratory setting.
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