Biomolecules And Chemistry In Everyday Life Result Question 3
3. Number of stereo-centers present in linear and cyclic structures of glucose are respectively
(2019 Main, 10 April II)
(a) 4 and 5
(b) 4 and 4
(c) 5 and 4
(d) 5 and 5
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Answer:
Correct Answer: 3. ( a )
Solution:
- Key Idea: Chiral centre is also called stereo-centre or stereogenic center.
Linear structure of glucose is as follows:
Fischer formula Number of stereo-centre $\left(\mathrm{C}^*\right)=4$.
Cyclic structure of glucose are as follows :
Haworth formula Number of stereo-centre $\left(\mathrm{C}^*\right) \text { in each anomer }=5.$
BETA
