0
What is the structural formula for 2- hydroxypropanoic acid and why it can rotate a plane of polarized light?
Wiki User
∙ 11y agoWant this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Would you expect a solution of a meso compound to rotate plane polarized light?
The meso compound, although it has sterogenic centers, is achiral. For this reason, it will not rotate plane polarized light.
How can you obtain circularly polarized light from linearly polarized light?
Circularly polarized light is obtained by adding two plane polarized lights of same intensity that are orthogonal but with a phase difference of 90 degrees.
What is the difference between optical and structural isomers?
Structural isomers also called constitutional isomers are different compounds that have same molecular formula but different molecular structure. Structural isomers have same number of each type of atoms but the atoms are connected in a different order in them. Structural isomerism is seen in organic compounds. It can be due to different arrangement of carbon chain, due to different position of functional group on the carbon chain, due to different functional groups that give their family of compounds same molecular formula. Difference in arrangement of atoms is visible if structural formulas are written for compounds having same molecular formula. Like structural isomers, stereoisomers also have same molecular formula. Stereoisomers are not structural isomers. Stereoisomers have their atoms connected in same sequence( same constitution), but they differ in the arrangement of atoms in space. Cis and trans isomers of alkenes are examples of stereoisomers. Carbon chain arrangement, position of functional groups, and everything that could be different in structural isomerism is same here.
What are optical substances?
Optically active substances are those substances that rotate the plane of polarized light to the left or right.
What is chiral purity?
Chiral compounds are optically active, that means they rotate polarized light to the left or to the right depending on their configuration
What are optical active substances?
Optically active substances are those substances that rotate the plane of polarized light to the left or right.
What are racemic mixtures?
Mixtures containing equal amounts of levo- and dextro- forms of a compound and thus do not rotate the plane of polarized light passing through the mixture.
How can you tell if sunglasses is polarizing?
Instead of rather a complicated and scientific method, you may simply figure it out with two pairs of glasses. Specifically, hold up both lenses and try looking through them both, then rotate one pair 90 degrees. If the sunglasses are polarized, you will not be able to see through these two lenses once you do this. If you do, one of the lenses is not polarized. What's more, try ooking through your lenses (holding them in your hands away from your face) at a window, TV screen or lake with intense glare. Rotate the glasses in a circle facing the glare. The intensity of the glare should change when you rotate your glasses; otherwise, it's not polarized.
How do you check polarized lenses?
line up two lenses and look through them. Rotate one. If it doesn't get darker & lighter, then at least one lens isn't a polarized lens. If you don't have two pairs of lenses then rotating one pair of polarized glasses whilst looking through them at an LCD screen will work fine, eg your computer screen or even your digital watch face. Rotate the lens clockwise through 90-180 degrees and the screen/watchface will go dark and then light up again as you keep rotating.
How does the L-glyceraldehyde differ from the D-glyceraldehyde?
D and L are easily determined by looking at the hydroxy group that is farthest away from the aldehyde group. If it is on the right, it is the D enantiomer. If it is on the left, it is the L enantiomer. Each enantiomer will rotate plane polarized light in opposite directions. This can be determined using a polarimeter.
How do you distiguish for the optically active and in active?
First of all we should know what optically active molecules are "Those molecules which possess asymmetric(chiral) carbon atoms have the ability to rotate the plane polarized light(light of one wavelength having its electrical character vibrating in one direction only) to the left or to the right are known as Optically active molecules" while those molecules not following the former scenario are known as Optically Inactive molecules. All in all molecules having asymmetric carbon atoms are known as optically active molecules for example glucose(rotate plane polarized light to the left) & fructose(rotate plane polarized light to the right) are optically active molecules. While molecules lacking asymmetric carbon atoms are optically inactive molecules for example water is optically inactive. And that's how we can distinguish between these two molecular classifications.
What is the difference between L amino acid and D amino acid?
L and D amino acids are both optical isomers of each other and only differ in their ability to rotate plane polarized light in opposite directions.
