Math, asked by ItsSpiderman44, 9 months ago

write the Optical activity​

Answers

Answered by Rppvian2020
6

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When an aqueous solution of certain organic compounds like sugar, lactic acid is placed in the path of plane polarized light, the transmitted light has oscillations in a different plane than the original. In other words, the incident light undergoes rotation of its plane of polarization. The plane of polarization rotates either to the right (clockwise) or to the left (anticlockwise). This property of a substance by which it rotates plane of polarization of incident plane polarized light is known as optical activity. The compounds which rotate the plane of plane polarized light are called optically active compounds and those which do not rotate it are optically inactive compounds. Optical activity of a substance is expressed numerically in terms of optical rotation. The angle through which a substance rotates the plane of plane polarized light on passing through it is called optical rotation. In accordance with the direction of optical rotation an optically active substance is either dextrorotatory or laevorotatory. A compound which rotates the plane of plane polarized light towards right is called dextrorotatoryand designated by symbol d- or by (+) sign. A compound which rotates plane of plane polarized light towards left is called laevorotatory and designated by symbol l-or by (-) sign.

Isomerism in which isomeric compounds have different optical activity is known as optical isomerism. French scientist Louis Pasteur first recognized that optical activity is associated with certain type of 3-dimensional structure of molecules. Pasteur introduced the term enantiomers for the optical isomers having equal and opposite optical rotation.

Answered by xShreex
43

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Optical activity : -

When an aqueous solution of certain organiccompounds like sugar, lactic acid is placed in the path of plane polarized light, the transmitted light has oscillations in a different plane than the original. In other words, the incident light undergoes rotation of its plane of polarization. The plane of polarization rotates either to the right (clockwise) or to the left (anticlockwise). This property of a substance by which it rotates plane of polarization of incident plane polarized light is known as optical activity. The compounds which rotate the plane of plane polarized light are called optically active compounds and those which do not rotate it are optically inactive compounds. Optical activity of a substance is expressed numerically in terms of optical rotation. The angle through which a substance rotates the plane of plane polarized light on passing through it is called optical rotation. In accordance with the direction of optical rotation an optically active substance is either dextrorotatory or laevorotatory. A compound which rotates the plane of plane polarized light towards right is called dextrorotatoryand designated by symbol d- or by (+)sign. A compound which rotates plane of plane polarized light towards left is called laevorotatory and designated by symbol l-or by (-) sign.

Isomerism in which isomeric compounds have different optical activity is known as optical isomerism. French scientist Louis Pasteur first recognized that optical activity is lassociated with certain type of 3-dimensional structure of molecules. Pasteur introduced the term enantiomers for the optical isomers having equal and opposite optical rotation. indicates a few objects in our day to day life which exhibit superimposable and non-superimposable mirror image relationship

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