Polarized Light and Organic Molecules

CCA! Volume 5

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Polarized Light and Organic Molecules

Polarizing filters and the rotation of polarized light by chiral compounds are demonstrated and a polarimeter is shown. Several everyday objects are examined between polarizing filters.

Polarized Light and Organic Molecules - Polarizing Filters

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.9 MB
14 seconds

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5 Slides

One of a pair of polarizing filters is rotated. The positions of maximum and minimum transmission of light are shown.

Polarized Light and Organic Molecules - Carvone Isomers

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1.2 MB
18 seconds

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5 Slides

Samples of chiral d- and l-carvone are shown to rotate the plane of polarized light in opposite directions.

Polarized Light and Organic Molecules - Sucrose

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1.6 MB
25 seconds

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7 Slides

Sucrose solution is shown to rotate the plane of polarized light and is compared to water which does not rotate the plane of polarized light.

Optical Rotatory Dispersion: Polarized Light and Sucrose Solution in a Tall Cylinder

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4.5 MB
52 seconds

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12 Slides

White light is passed through a cylinder filled with sucrose solution and the variation of color with distance is shown.

Polarimeter

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.6 MB
9 seconds

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4 Slides

Several views of a polarimeter are shown.

Polarized Light and Organic Molecules: Everyday Objects

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6 movies

The liquid crystal display of a calculator and several plastic objects are examined between polarizing filters.

Citations:
	Kinney, J. B.; Skinner, J. F.	J. Chem. Educ. 1977, 54, p 494.
	Knauer, B.	J. Chem. Educ. 1989, 66, pp 1033-1034.
	Shakhashiri, B. Z.	Chemical Demonstrations; University of Wisconsin Press: Madison, 1983; Vol. 1, p 210.
	Shakhashiri, B. Z.	Chemical Demonstrations; University of Wisconsin Press: Madison, 1983; Vol. 3, pp 386-389.