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The molecule must have chirality - an assymetry in which the molecule can't be turned around to look like its mirror image.

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How can one identify a meso compound in a molecule?

A meso compound in a molecule can be identified by having a plane of symmetry that divides the molecule into two identical halves. This means that the molecule will not exhibit optical activity, even though it contains chiral centers.


What is the cause of optical activity?

Optical activity happens in a solution with components of quartz, sugar or certain gases. It is when the plane of linearly polarized light is turns to the direction of movement through the components.


The reaction of cis-2-butene with basic permanganate gives a product which is optically inactive even though it possess to chiral centresWhy?

The product is optically inactive because the reaction results in a meso compound, which has an internal plane of symmetry that makes it superimposable on its mirror image. This cancels out any optical activity in the molecule, even though it has two chiral centers.


Methanol exhibiting optical activity?

Methanol does not exhibit optical activity because it lacks a chiral center. Optical activity in organic compounds arises from the presence of a chiral carbon atom, which is asymmetric and lacks mirror symmetry. In methanol, the carbon atom bonded to the hydroxyl group is not chiral, leading to the compound being optically inactive.


What is the difference between an achiral molecule and a meso compound in terms of their symmetry and properties?

An achiral molecule lacks a mirror image, while a meso compound has a mirror image that is superimposable on itself. Achiral molecules do not have a plane of symmetry, while meso compounds do. In terms of properties, achiral molecules do not exhibit optical activity, while meso compounds do.

Related Questions

What is the detail explanation of factors on which optical activity depends?

Optical activity depends on factors such as the presence of chiral molecules, the specific arrangement of atoms in the molecule, and the interaction of polarized light with the molecule's asymmetric structure. The extent of optical activity is also influenced by the concentration of the chiral molecule in solution and the path length of the light passing through the sample. Ultimately, these factors determine the magnitude and direction of optical rotation exhibited by a substance.


Why do some isomers lack optical activity?

Some isomers lack optical activity because they have a plane of symmetry or a center of symmetry that results in the molecule being superimposable on its mirror image. This makes them achiral and unable to rotate the plane of polarized light, thus lacking optical activity.


How can one identify a meso compound in a molecule?

A meso compound in a molecule can be identified by having a plane of symmetry that divides the molecule into two identical halves. This means that the molecule will not exhibit optical activity, even though it contains chiral centers.


What is a necessary condition to determine mirror images of optical isomers?

To create enantiomers, the chiral carbon and its attached groups must be non-superimposable. The typical example would be to use our hands as an example: both hands facing down would be mirror images of each other. However, putting one hand on top of the other would be non-superimposable. When the isomer of one molecule is added to its enantiomer, its optical rotation disappears and becomes racemic--achiral.


What is the cause of optical activity?

Optical activity happens in a solution with components of quartz, sugar or certain gases. It is when the plane of linearly polarized light is turns to the direction of movement through the components.


How does optical activity depend on state of substance?

Optical activity in a substance depends on its symmetry and chirality. Chiral molecules exhibit optical activity, where they rotate the plane of polarized light. The state of the substance, such as solid, liquid, or gas, does not significantly affect its optical activity as long as the molecular structure and chirality remain the same.


What does optical inversion mean?

Optical inversion refers to a phenomenon where a chiral molecule rotates plane-polarized light in the opposite direction from its enantiomer. This occurs due to the molecular structure causing different interactions with polarized light. It is a key concept in understanding the behavior of chiral compounds in optical activity.


Stereochemistry question... 2-bromobutane I have a molecule 2-bromobutane CH3CH2CHBrCH3 I'm trying to figure out its optical activity by finding a stereogenic center. What I'm confused about is?

In 2-bromobutane, the carbon atom bonded to the bromine atom (CHBrCH3) is the stereogenic center. To determine its optical activity, you need to analyze if there is a plane of symmetry or a center of symmetry within the molecule. If the molecule is chiral (lacks a plane of symmetry or center of symmetry), it will be optically active.


What is the difference between a optical microscope and a non- optical microscope?

light is must for optical microscope while is not necessary for nonn optical one


What optical tool is necessary to see cells?

Microscope.


The reaction of cis-2-butene with basic permanganate gives a product which is optically inactive even though it possess to chiral centresWhy?

The product is optically inactive because the reaction results in a meso compound, which has an internal plane of symmetry that makes it superimposable on its mirror image. This cancels out any optical activity in the molecule, even though it has two chiral centers.


What are the ketoses sugar?

A ketose is a sugar containing one ketone group per molecule. With three carbon atoms, dihydroxyacetone is the simplest of all ketoses and is the only one having no optical activity. Ketoses can isomerize into an aldose when the carbonyl group is located at the end of the molecule. Such ketoses are reducing sugars.