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Home/ Questions/Select all of the chirality centers in the structure. A selected atom will turn green.
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qhtutoria
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qhtutoria
Asked: April 10, 20222022-04-10T06:59:21+00:00 2022-04-10T06:59:21+00:00In: Chemistry

Select all of the chirality centers in the structure. A selected atom will turn green.

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Select all of the chirality centers in the structure. A selected atom will turn green. Select all of the chirality c...

Select all of the chirality centers in the structure. A selected atom will turn green.


♦ Relevant knowledge
Chiral Center:

There are several crucial aspects to consider when it comes to Chiral Center:

1. Chiral center has sp3 hybridization.

2. The groups associated with the sp3 center must be distinct.

3. The majority of the chiral centers are optically active in nature.

Example: In ClFH(CH3)C, C is the achiral center, because it has four different groups which are connected to the center.

chirality centersgreen
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    tonytutoria
    2022-04-10T07:01:37+00:00Added an answer on April 10, 2022 at 7:01 am
    Concepts and Reason

    Optical Isomers is an important class of isomers that have the same molecular structure and molecular formula, but differ in their 3D space orientation. Enantiomers are optical isomers.

    Enantiomers, optical isomers that have mirror images that are not superimposable, are called optical isomers. They turn the plane polarized sunlight in the opposite direction.

    Optical activity refers to the ability of a chiral mole to rotate the plane-polarized light. Dextrorotary enantiomers rotate the plane polarized in a clockwise manner, while levorotary rotates it in an anticlockwise fashion.

    Fundamentals

    The fundamental reason for an organic molecule’s optical activity is its chirality.

    Chiral center: When all four valences are fulfilled by chemically distinct groups, a ‘C’ atom within a molecule is a chiral centre. A carbon should have [katex]{\rm{s}}{{\rm{p}}^{\rm{3}}}[/katex] to act as a chiral centre.

    Below are examples of optical isomers and chiral centers.

    Mirror
B-CD
A
D-C
-B
A
optical isomers

    This C is bonded with four groups A, B, C, and D. Thus, it forms two optical isomers that are mirror images.

    Below is the structure of the given molecule. The carbons that are [katex]{\rm{s}}{{\rm{p}}^{\rm{3}}}[/katex] are shown.

    ОН
Cн-
CHз
Hас
CHз
.CH
Нас.
CH2
с—сНз С
NH
СH
.CH
СH
СH
Н2
ОН
Н2
ОН
-сHз
Figure 1

    The green color highlighted the chiral centers of the given structure.

    OH
CH
.CH
NH
C
CH
CH
CH
C
.CH
OH
OH
Figure 2
Answer:

    Highlight the chiral centers of the given structure as shown below: 

    ОН
Cн-
.CH
NH
CH
CH
CH
CH
с
ОН
ОН

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