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Q.
Which of the following pairs from the same osazone?
NTA AbhyasNTA Abhyas 2020Biomolecules
Solution:
All monosaccharides which differ in configuration at $C_{1}$ and $C_{2}$ gives the same osazone. Since, glucose and fructose differ from each other only in configuration at $C_{1}$ and $C_{2}$ therefore, they give the same osazone. All other options given in the questions do not satisfy this condition and hence, do not form the same osazone.