Biomolecules Question 206
Question: Two hexoses form the same osazone, find the correct statement about these hexoses.
Options:
A) Both of them must be aldoses
B) They are epimers at C-3
C) The carbon atoms 1 and 2 in both have the same configuration
D) The carbon atoms 3, 4 and 5 in both have the same configuration
Show Answer
Answer:
Correct Answer: D
Solution:
[d] In the formation of osazone, C-1 and C-2 react with phenyl hydrazine to form phenyl hydrazone. If C-3, C-4, C-5 have same configuration the carbohydrates they will form same osazone even if they differ in configuration at C-1 or C-2.
BETA
