2,5-dibromohexane have 2 chirality centers.
1-bromo-3-chloro-2-methylpropane have 1 chirality center.
Explanation:
For organic compounds a chirality center is represented by a asymmetric carbon which have four different type of substituents.
2,5-dibromohexane have 2 chirality centers represented by the two asymmetric carbons.
1-bromo-3-chloro-2-methylpropane have 1 chirality center represented by one asymmetric carbon.
You may find the chemical diagrams of both compound in the attached picture. Asymmetric carbon are colored in blue.
Learn more about:
enantiomers
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