FINAL 04 - Optical Activity Flashcards
Property of a substance to rotate the plane of polarization of the polarized light
Optical activity
Optical activity is expressed as __________ for liquids
Optical rotation
Optical activity is expressed as __________ for solid/substance ion solution
Specific rotation
The product of the property of a substance to rotate when a plane of polarized light is passed through it
Angular rotation
Device that measures the extent of rotation of the plane of polarized light
Polarimeter
Serves as the source of light (Parts of polarimeter)
Sodium D line lamp
With polarimeter tube 2dm (Parts of polarimeter)
Polarizer
Scale magnifier + micrometer & knuried disk (Parts of polarimeter)
Analyzer
Only __________ substances exhibit optical activity
Chiral
Rotates light to the right
Dextrorotatory (+)
Rotates light to the left
Levorotatory (-)