U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but...

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Structural isomers

Transcript of U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but...

Page 1: U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but with different arrangement of atoms Differences in shape of isomers leads to differences

Structural isomers

Page 2: U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but with different arrangement of atoms Differences in shape of isomers leads to differences

✴ Structural Isomer - molecule with same molecular formula but with different arrangement of atoms✴ Differences in shape of isomers leads to differences in their physical and chemical properties

Structural Isomers

Page 3: U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but with different arrangement of atoms Differences in shape of isomers leads to differences

✴ For example, glucose, galactose and fructose have same molecular formula (C6H12O6) but different structures

glucose galactose fructose

Page 4: U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but with different arrangement of atoms Differences in shape of isomers leads to differences

dissolve

d in water

glucose

β-glucose

α-glucose

dissolved in water

✴ In dry state, glucose has linear structure, but when dissolved in water, molecule folds on itself to form one of two possible ring structures:

✴ Glucose itself has 3 different structural isomersI

Page 5: U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but with different arrangement of atoms Differences in shape of isomers leads to differences

✴ Small structural difference leads to large difference in chemical properties

✴ Two isomers of glucose differ only in orientation of a single hydroxyl (-OH) group

dissolve

d in water

glucose

β-glucose

α-glucose

dissolved in water

Page 6: U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but with different arrangement of atoms Differences in shape of isomers leads to differences

✴ Starch found in mushrooms (amylopectin) is a polymer of α-glucose - can be easily digested

starch - digestible

✴ Cellulose (found in celery) is a polymer of β-glucose - can’t be digested by most animals

cellulose - not digestible

Page 7: U1L6b - Structural Isomers copy · Structural Isomer - molecule with same molecular formula but with different arrangement of atoms Differences in shape of isomers leads to differences

✴ Isomers illustrate that structure of a molecule determines function of that molecule

Structure = Function


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ISOMERS Learning Goals: I will understand the difference between structural isomers and stereoisomers (diastereomers and enantiomers) and be able to name/draw.

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CH 4. Stereochemistry. Isomers – different compounds with the same molecular formula. Structural Isomers – isomers that differ in which atoms are bonded.

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4Types of Isomerschemhaven.org/che102/EP/Ch26_Note_Cards_Master.pdf · Structural Isomers/(Constitutional) 2. Geometric Isomers/(Cis/Trans) 3. Optical Isomers A. Enantiomers B. Diastereomers.

Aim: What are functional groups?. Isomers Compounds that have the same molecular formula but have different structural formulas and different names; isomers.

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Octane and isooctane are structural isomers with the molecular … · 2018-09-10 · Octane and isooctane are structural isomers with the molecular formula C8H18. ... €€€€The

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Structural Isomers of Ti O and Zr O Anions Identified by ...bromine.cchem.berkeley.edu/grppub/sevi31.pdf · Structural Isomers of Ti 2O 4 and Zr 2O 4 Anions Identified by Slow Photoelectron

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Structural Isomers

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Isomerism: Structural Isomers and Stereoisomers...Isomerism: Structural Isomers and Stereoisomers In unit 7 we defined isomers as compounds with the same molecular formula but different

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Isomers and Isomerism Isomers - University of · PDF fileIsomers and Isomerism Isomers ... + Na no reaction 2CH 3 CH 2 CH 2 CH 2 ... stereoisomers have the same general structural

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Structural Analysis of Leukotriene C4 Isomers Using ...Structural Analysis of Leukotriene C 4 Isomers Using Collisional Activation and 157 nm Photodissociation Arugadoss Devakumar,a

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Isomers structural isomers constitutional isomers stereo isomers racemic mixture entantiomers geometric isomers positional isomers chiral molecules chiral.

Isomers structural isomers constitutional isomers stereo isomers racemic mixture entantiomers geometric isomers positional isomers chiral molecules chiral.

1 -Structural isomers -Naming Branched Alkanes Mr. Shields Regents Chemistry U16 L02.

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