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# The number of stereocenters present in linear and cyclic structures of glucose are respectively: (A) 4 and 5 (B) 5 and 5 (C) 4 and 4 (D) 5 and 4

Last updated date: 13th Jun 2024
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Hint: Stereo Centre is nothing but a chiral center. A carbon which is attached to three or more different substituents is called a chiral center. If a molecule is optically active, that molecule should contain at least one chiral center in it.

* In the question it is given to find the number of stereocenters present in linear and cyclic structures of glucose.
* Sterocenter is nothing but the chiral center. If a carbon atom is attached to four different atoms are different groups then it is called stereocenter or chiral center.
* Chiral centers are optically active in nature.
* Linear structure and cyclic structures of glucose are as follows.

* The chiral centers are marked with red color stars.
* The number of chiral or stereo centers in linear structure of glucose are 4.
* The number of chiral or stereo centers in cyclic structure of glucose are 5.
* Therefore the number of chiral or stereo centers in linear structure and cyclic structures of glucose are 4. And 5 respectively.

So, the correct answer is A.